fix find post

haixun-backend/.run/api.pid

@@ -1 +1 @@
-91942
+26382

haixun-backend/.run/logs/web.log

@@ -3,7 +3,7 @@
 > vite
 
 
-  VITE v6.4.3  ready in 111 ms
+  VITE v6.4.3  ready in 174 ms
 
   ➜  Local:   http://localhost:5173/
   ➜  Network: use --host to expose

haixun-backend/.run/logs/worker.log

@@ -2,4 +2,4 @@
 > haixun-master@0.1.0 worker:style-8d
 > . scripts/playwright-env.sh && npx playwright install chromium && tsx haixun-backend/worker/style-8d-worker.ts
 
-[8d-worker] started id=local-style-8d-node-92403 api=http://127.0.0.1:8890
+[8d-worker] started id=local-style-8d-node-26520 api=http://127.0.0.1:8890

haixun-backend/.run/web.pid

@@ -1 +1 @@
-92316
+26440

haixun-backend/.run/worker.pid

@@ -1 +1 @@
-92317
+26441

haixun-backend/generate/api/brand.api

@@ -231,6 +231,7 @@ type (
 
 	GenerateOutreachDraftsReq {
 		ScanPostID      string `json:"scan_post_id" validate:"required"`
+		TopicID         string `json:"topic_id,optional"`
 		Count           int    `json:"count,optional"`
 		VoicePersonaID  string `json:"voice_persona_id,optional"`
 		ProductID       string `json:"product_id,optional"`

haixun-backend/generate/api/copy_mission.api

@@ -0,0 +1,250 @@
+syntax = "v1"
+
+type (
+	CopySuggestedTagData {
+		Tag          string `json:"tag"`
+		Reason       string `json:"reason,omitempty"`
+		SearchIntent string `json:"search_intent,omitempty"`
+		SearchType   string `json:"search_type,omitempty"`
+	}
+
+	CopySimilarAccountData {
+		Username   string `json:"username"`
+		Reason     string `json:"reason,omitempty"`
+		Source     string `json:"source,omitempty"`
+		Confidence string `json:"confidence,omitempty"`
+		ProfileUrl string `json:"profile_url,omitempty"`
+	}
+
+	CopyMissionResearchMapData {
+		AudienceSummary string                   `json:"audience_summary,omitempty"`
+		ContentGoal     string                   `json:"content_goal,omitempty"`
+		Questions       []string                 `json:"questions,omitempty"`
+		Pillars         []string                 `json:"pillars,omitempty"`
+		Exclusions      []string                 `json:"exclusions,omitempty"`
+		SuggestedTags   []CopySuggestedTagData   `json:"suggested_tags,omitempty"`
+		SimilarAccounts []CopySimilarAccountData `json:"similar_accounts,omitempty"`
+		BenchmarkNotes  string                   `json:"benchmark_notes,omitempty"`
+	}
+
+	CopyMissionData {
+		ID            string                    `json:"id"`
+		PersonaID     string                    `json:"persona_id"`
+		Label         string                    `json:"label,omitempty"`
+		SeedQuery     string                    `json:"seed_query,omitempty"`
+		Brief         string                    `json:"brief,omitempty"`
+		ResearchMap   CopyMissionResearchMapData `json:"research_map,omitempty"`
+		SelectedTags  []string                  `json:"selected_tags,omitempty"`
+		LastScanJobID string                    `json:"last_scan_job_id,omitempty"`
+		Status        string                    `json:"status,omitempty"`
+		CreateAt      int64                     `json:"create_at"`
+		UpdateAt      int64                     `json:"update_at"`
+	}
+
+	ListCopyMissionsData {
+		List []CopyMissionData `json:"list"`
+	}
+
+	CreateCopyMissionReq {
+		Label     string `json:"label" validate:"required"`
+		SeedQuery string `json:"seed_query" validate:"required"`
+		Brief     string `json:"brief" validate:"required"`
+	}
+
+	UpdateCopyMissionReq {
+		Label           *string  `json:"label,optional"`
+		SeedQuery       *string  `json:"seed_query,optional"`
+		Brief           *string  `json:"brief,optional"`
+		AudienceSummary *string  `json:"audience_summary,optional"`
+		ContentGoal     *string  `json:"content_goal,optional"`
+		Questions       []string `json:"questions,optional"`
+		Pillars         []string `json:"pillars,optional"`
+		Exclusions      []string `json:"exclusions,optional"`
+		BenchmarkNotes  *string  `json:"benchmark_notes,optional"`
+		SelectedTags    []string `json:"selected_tags,optional"`
+		Status          *string  `json:"status,optional"`
+	}
+
+	CopyMissionScanScheduleData {
+		ID        string `json:"id,omitempty"`
+		PersonaID string `json:"persona_id"`
+		MissionID string `json:"mission_id"`
+		Cron      string `json:"cron"`
+		Timezone  string `json:"timezone"`
+		Enabled   bool   `json:"enabled"`
+		NextRunAt int64  `json:"next_run_at,omitempty"`
+		LastRunAt int64  `json:"last_run_at,omitempty"`
+	}
+
+	UpsertCopyMissionScanScheduleReq {
+		Cron     string `json:"cron,optional"`
+		Timezone string `json:"timezone,optional"`
+		Enabled  bool   `json:"enabled"`
+	}
+
+	UpsertCopyMissionScanScheduleHandlerReq {
+		CopyMissionPath
+		UpsertCopyMissionScanScheduleReq
+	}
+
+	CopyMissionPath {
+		PersonaID string `path:"personaId" validate:"required"`
+		ID        string `path:"id" validate:"required"`
+	}
+
+	PersonaCopyMissionsPath {
+		PersonaID string `path:"personaId" validate:"required"`
+	}
+
+	CreateCopyMissionHandlerReq {
+		PersonaCopyMissionsPath
+		CreateCopyMissionReq
+	}
+
+	UpdateCopyMissionHandlerReq {
+		CopyMissionPath
+		UpdateCopyMissionReq
+	}
+
+	StartCopyMissionAnalyzeJobData {
+		JobID   string `json:"job_id"`
+		Status  string `json:"status"`
+		Message string `json:"message"`
+	}
+
+	StartCopyMissionScanJobData {
+		JobID   string `json:"job_id"`
+		Status  string `json:"status"`
+		Message string `json:"message"`
+	}
+
+	StartCopyMissionMatrixJobReq {
+		Count int `json:"count,optional"`
+	}
+
+	StartCopyMissionMatrixJobHandlerReq {
+		CopyMissionPath
+		StartCopyMissionMatrixJobReq
+	}
+
+	StartCopyMissionMatrixJobData {
+		JobID   string `json:"job_id"`
+		Status  string `json:"status"`
+		Message string `json:"message"`
+	}
+
+	StartCopyMissionCopyDraftJobReq {
+		ScanPostID string `json:"scan_post_id" validate:"required"`
+	}
+
+	StartCopyMissionCopyDraftJobHandlerReq {
+		CopyMissionPath
+		StartCopyMissionCopyDraftJobReq
+	}
+
+	StartCopyMissionCopyDraftJobData {
+		JobID   string `json:"job_id"`
+		Status  string `json:"status"`
+		Message string `json:"message"`
+	}
+
+	ListCopyMissionScanPostsReq {
+		Limit int `form:"limit,optional"`
+	}
+
+	ListCopyMissionScanPostsHandlerReq {
+		CopyMissionPath
+		ListCopyMissionScanPostsReq
+	}
+
+	GenerateCopyMissionMatrixReq {
+		Count int `json:"count,optional"`
+	}
+
+	GenerateCopyMissionMatrixHandlerReq {
+		CopyMissionPath
+		GenerateCopyMissionMatrixReq
+	}
+
+	GenerateCopyMissionMatrixData {
+		Drafts  []CopyDraftData `json:"drafts"`
+		Message string          `json:"message"`
+	}
+
+	ListCopyMissionCopyDraftsData {
+		List  []CopyDraftData `json:"list"`
+		Total int             `json:"total"`
+	}
+
+	CopyMissionInspirationSourceData {
+		Query   string `json:"query,omitempty"`
+		Title   string `json:"title,omitempty"`
+		Snippet string `json:"snippet,omitempty"`
+		URL     string `json:"url,omitempty"`
+	}
+
+	CopyMissionInspirationData {
+		Label         string                           `json:"label"`
+		SeedQuery     string                           `json:"seed_query"`
+		Brief         string                           `json:"brief"`
+		TrendReason   string                           `json:"trend_reason,omitempty"`
+		TrendKeywords []string                         `json:"trend_keywords,omitempty"`
+		Sources       []CopyMissionInspirationSourceData `json:"sources,omitempty"`
+		WebSearchUsed bool                             `json:"web_search_used"`
+		Message       string                           `json:"message"`
+	}
+)
+
+@server(
+	group:      copy_mission
+	prefix:     /api/v1/personas
+	middleware: AuthJWT
+	tags:       "CopyMission"
+	summary:    "Copy ninja missions (Flow A). Requires Bearer JWT."
+)
+service gateway {
+	@handler listCopyMissions
+	get /:personaId/copy-missions (PersonaCopyMissionsPath) returns (ListCopyMissionsData)
+
+	@handler inspireCopyMission
+	post /:personaId/copy-mission-inspiration (PersonaCopyMissionsPath) returns (CopyMissionInspirationData)
+
+	@handler createCopyMission
+	post /:personaId/copy-missions (CreateCopyMissionHandlerReq) returns (CopyMissionData)
+
+	@handler getCopyMission
+	get /:personaId/copy-missions/:id (CopyMissionPath) returns (CopyMissionData)
+
+	@handler updateCopyMission
+	patch /:personaId/copy-missions/:id (UpdateCopyMissionHandlerReq) returns (CopyMissionData)
+
+	@handler deleteCopyMission
+	delete /:personaId/copy-missions/:id (CopyMissionPath)
+
+	@handler startCopyMissionAnalyzeJob
+	post /:personaId/copy-missions/:id/analyze-jobs (CopyMissionPath) returns (StartCopyMissionAnalyzeJobData)
+
+	@handler startCopyMissionScanJob
+	post /:personaId/copy-missions/:id/scan-jobs (CopyMissionPath) returns (StartCopyMissionScanJobData)
+
+	@handler listCopyMissionScanPosts
+	get /:personaId/copy-missions/:id/scan-posts (ListCopyMissionScanPostsHandlerReq) returns (ListPersonaViralScanPostsData)
+
+	@handler generateCopyMissionMatrix
+	post /:personaId/copy-missions/:id/matrix-drafts (GenerateCopyMissionMatrixHandlerReq) returns (GenerateCopyMissionMatrixData)
+
+	@handler startCopyMissionMatrixJob
+	post /:personaId/copy-missions/:id/matrix-jobs (StartCopyMissionMatrixJobHandlerReq) returns (StartCopyMissionMatrixJobData)
+
+	@handler startCopyMissionCopyDraftJob
+	post /:personaId/copy-missions/:id/copy-draft-jobs (StartCopyMissionCopyDraftJobHandlerReq) returns (StartCopyMissionCopyDraftJobData)
+
+	@handler listCopyMissionCopyDrafts
+	get /:personaId/copy-missions/:id/copy-drafts (CopyMissionPath) returns (ListCopyMissionCopyDraftsData)
+
+	@handler getCopyMissionScanSchedule
+	get /:personaId/copy-missions/:id/scan-schedule (CopyMissionPath) returns (CopyMissionScanScheduleData)
+
+	@handler upsertCopyMissionScanSchedule
+	put /:personaId/copy-missions/:id/scan-schedule (UpsertCopyMissionScanScheduleHandlerReq) returns (CopyMissionScanScheduleData)
+}

haixun-backend/generate/api/gateway.api

@@ -22,6 +22,7 @@ import (
 	"permission.api"
 	"threads_account.api"
 	"persona.api"
+	"copy_mission.api"
 	"brand.api"
 	"placement_topic.api"
 	"worker_internal.api"

haixun-backend/generate/api/member.api

@@ -30,18 +30,25 @@ type (
 	}
 
 	MemberPlacementSettingsData {
-		BraveAPIKey           string `json:"brave_api_key,omitempty"`
-		BraveAPIKeyConfigured bool   `json:"brave_api_key_configured"`
-		BraveCountry          string `json:"brave_country"`
-		BraveSearchLang       string `json:"brave_search_lang"`
-		ExpandStrategy        string `json:"expand_strategy"` // brave | llm | hybrid
+		WebSearchProvider       string `json:"web_search_provider"` // brave | exa
+		BraveAPIKey             string `json:"brave_api_key,omitempty"`
+		BraveAPIKeyConfigured   bool   `json:"brave_api_key_configured"`
+		ExaAPIKey               string `json:"exa_api_key,omitempty"`
+		ExaAPIKeyConfigured     bool   `json:"exa_api_key_configured"`
+		BraveCountry            string `json:"brave_country"`
+		BraveSearchLang         string `json:"brave_search_lang"`
+		ExaUserLocation         string `json:"exa_user_location"`
+		ExpandStrategy          string `json:"expand_strategy"` // brave | llm | hybrid
 	}
 
 	UpdateMemberPlacementSettingsReq {
-		BraveAPIKey     *string `json:"brave_api_key,optional"`
-		BraveCountry    *string `json:"brave_country,optional"`
-		BraveSearchLang *string `json:"brave_search_lang,optional"`
-		ExpandStrategy  *string `json:"expand_strategy,optional"`
+		WebSearchProvider *string `json:"web_search_provider,optional"`
+		BraveAPIKey       *string `json:"brave_api_key,optional"`
+		ExaAPIKey         *string `json:"exa_api_key,optional"`
+		BraveCountry      *string `json:"brave_country,optional"`
+		BraveSearchLang   *string `json:"brave_search_lang,optional"`
+		ExaUserLocation   *string `json:"exa_user_location,optional"`
+		ExpandStrategy    *string `json:"expand_strategy,optional"`
 	}
 )
 

haixun-backend/generate/api/persona.api

@@ -39,6 +39,7 @@ type (
 	UpdatePersonaReq {
 		DisplayName    *string `json:"display_name,optional"`
 		Persona        *string `json:"persona,optional"`
+		Brief          *string `json:"brief,optional"`
 		StyleProfile   *string `json:"style_profile,optional"`
 		StyleBenchmark *string `json:"style_benchmark,optional"`
 	}
@@ -83,17 +84,18 @@ type (
 	}
 
 	ViralScanPostData {
-		ID              string `json:"id"`
-		SearchTag       string `json:"search_tag"`
-		Permalink       string `json:"permalink"`
-		Author          string `json:"author"`
-		Text            string `json:"text"`
-		LikeCount       int    `json:"like_count"`
-		ReplyCount      int    `json:"reply_count"`
-		EngagementScore int    `json:"engagement_score"`
-		Source          string `json:"source"`
-		ScanJobID       string `json:"scan_job_id"`
-		CreateAt        int64  `json:"create_at"`
+		ID              string          `json:"id"`
+		SearchTag       string          `json:"search_tag"`
+		Permalink       string          `json:"permalink"`
+		Author          string          `json:"author"`
+		Text            string          `json:"text"`
+		LikeCount       int             `json:"like_count"`
+		ReplyCount      int             `json:"reply_count"`
+		EngagementScore int             `json:"engagement_score"`
+		Source          string          `json:"source"`
+		ScanJobID       string          `json:"scan_job_id"`
+		Replies         []ScanReplyData `json:"replies,omitempty"`
+		CreateAt        int64           `json:"create_at"`
 	}
 
 	ListPersonaViralScanPostsData {
@@ -107,18 +109,23 @@ type (
 	}
 
 	CopyDraftData {
-		ID         string   `json:"id"`
-		PersonaID  string   `json:"persona_id"`
-		ScanPostID string   `json:"scan_post_id,omitempty"`
-		DraftType  string   `json:"draft_type"`
+		ID            string   `json:"id"`
+		PersonaID     string   `json:"persona_id"`
+		CopyMissionID string   `json:"copy_mission_id,omitempty"`
+		ScanPostID    string   `json:"scan_post_id,omitempty"`
+		DraftType     string   `json:"draft_type"`
+		SortOrder     int      `json:"sort_order,omitempty"`
 		Text       string   `json:"text"`
 		Angle      string   `json:"angle,omitempty"`
 		Hook           string   `json:"hook,omitempty"`
 		Rationale      string   `json:"rationale,omitempty"`
 		ReferenceNotes string   `json:"reference_notes,omitempty"`
 		Sources        []string `json:"sources,omitempty"`
-		Status         string   `json:"status,omitempty"`
-		CreateAt       int64    `json:"create_at"`
+		Status             string `json:"status,omitempty"`
+		PublishedMediaID   string `json:"published_media_id,omitempty"`
+		PublishedPermalink string `json:"published_permalink,omitempty"`
+		PublishedAt        int64  `json:"published_at,omitempty"`
+		CreateAt           int64  `json:"create_at"`
 	}
 
 	ListPersonaCopyDraftsData {
@@ -139,6 +146,41 @@ type (
 		Draft   CopyDraftData `json:"draft"`
 		Message string        `json:"message"`
 	}
+
+	CopyDraftPath {
+		ID      string `path:"id" validate:"required"`
+		DraftID string `path:"draftId" validate:"required"`
+	}
+
+	UpdateCopyDraftReq {
+		Text   *string `json:"text,optional"`
+		Hook   *string `json:"hook,optional"`
+		Angle  *string `json:"angle,optional"`
+		Status *string `json:"status,optional"`
+	}
+
+	UpdateCopyDraftHandlerReq {
+		CopyDraftPath
+		UpdateCopyDraftReq
+	}
+
+	PublishCopyDraftReq {
+		Text    string `json:"text,optional"`
+		Confirm bool   `json:"confirm"`
+	}
+
+	PublishCopyDraftHandlerReq {
+		CopyDraftPath
+		PublishCopyDraftReq
+	}
+
+	PublishCopyDraftData {
+		DraftID   string `json:"draft_id"`
+		MediaID   string `json:"media_id"`
+		Permalink string `json:"permalink,omitempty"`
+		Status    string `json:"status"`
+		Message   string `json:"message"`
+	}
 )
 
 @server(
@@ -178,4 +220,10 @@ service gateway {
 
 	@handler generatePersonaCopyDraft
 	post /:id/copy-drafts/generate (GeneratePersonaCopyDraftHandlerReq) returns (GeneratePersonaCopyDraftData)
+
+	@handler updatePersonaCopyDraft
+	patch /:id/copy-drafts/:draftId (UpdateCopyDraftHandlerReq) returns (CopyDraftData)
+
+	@handler publishPersonaCopyDraft
+	post /:id/copy-drafts/:draftId/publish (PublishCopyDraftHandlerReq) returns (PublishCopyDraftData)
 }

haixun-backend/internal/handler/brand/create_brand_product_handler.go

@@ -6,11 +6,12 @@ package brand
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/brand"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func CreateBrandProductHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/brand/delete_brand_product_handler.go

@@ -6,11 +6,12 @@ package brand
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/brand"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func DeleteBrandProductHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/brand/list_brand_products_handler.go

@@ -6,11 +6,12 @@ package brand
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/brand"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func ListBrandProductsHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/brand/update_brand_product_handler.go

@@ -6,11 +6,12 @@ package brand
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/brand"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func UpdateBrandProductHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/copy_mission/create_copy_mission_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func CreateCopyMissionHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.CreateCopyMissionHandlerReq
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewCreateCopyMissionLogic(r.Context(), svcCtx)
+		data, err := l.CreateCopyMission(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/delete_copy_mission_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func DeleteCopyMissionHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.CopyMissionPath
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewDeleteCopyMissionLogic(r.Context(), svcCtx)
+		err := l.DeleteCopyMission(&req)
+		response.Write(r.Context(), w, nil, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/generate_copy_mission_matrix_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func GenerateCopyMissionMatrixHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.GenerateCopyMissionMatrixHandlerReq
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewGenerateCopyMissionMatrixLogic(r.Context(), svcCtx)
+		data, err := l.GenerateCopyMissionMatrix(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/get_copy_mission_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func GetCopyMissionHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.CopyMissionPath
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewGetCopyMissionLogic(r.Context(), svcCtx)
+		data, err := l.GetCopyMission(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/get_copy_mission_scan_schedule_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func GetCopyMissionScanScheduleHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.CopyMissionPath
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewGetCopyMissionScanScheduleLogic(r.Context(), svcCtx)
+		data, err := l.GetCopyMissionScanSchedule(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/inspire_copy_mission_handler.go

@@ -0,0 +1,30 @@
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func InspireCopyMissionHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.PersonaCopyMissionsPath
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewInspireCopyMissionLogic(r.Context(), svcCtx)
+		data, err := l.InspireCopyMission(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/list_copy_mission_copy_drafts_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func ListCopyMissionCopyDraftsHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.CopyMissionPath
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewListCopyMissionCopyDraftsLogic(r.Context(), svcCtx)
+		data, err := l.ListCopyMissionCopyDrafts(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/list_copy_mission_scan_posts_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func ListCopyMissionScanPostsHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.ListCopyMissionScanPostsHandlerReq
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewListCopyMissionScanPostsLogic(r.Context(), svcCtx)
+		data, err := l.ListCopyMissionScanPosts(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/list_copy_missions_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func ListCopyMissionsHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.PersonaCopyMissionsPath
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewListCopyMissionsLogic(r.Context(), svcCtx)
+		data, err := l.ListCopyMissions(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/start_copy_mission_analyze_job_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func StartCopyMissionAnalyzeJobHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.CopyMissionPath
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewStartCopyMissionAnalyzeJobLogic(r.Context(), svcCtx)
+		data, err := l.StartCopyMissionAnalyzeJob(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/start_copy_mission_copy_draft_job_handler.go

@@ -0,0 +1,30 @@
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func StartCopyMissionCopyDraftJobHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.StartCopyMissionCopyDraftJobHandlerReq
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewStartCopyMissionCopyDraftJobLogic(r.Context(), svcCtx)
+		data, err := l.StartCopyMissionCopyDraftJob(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/start_copy_mission_matrix_job_handler.go

@@ -0,0 +1,30 @@
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func StartCopyMissionMatrixJobHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.StartCopyMissionMatrixJobHandlerReq
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewStartCopyMissionMatrixJobLogic(r.Context(), svcCtx)
+		data, err := l.StartCopyMissionMatrixJob(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/start_copy_mission_scan_job_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func StartCopyMissionScanJobHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.CopyMissionPath
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewStartCopyMissionScanJobLogic(r.Context(), svcCtx)
+		data, err := l.StartCopyMissionScanJob(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/update_copy_mission_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func UpdateCopyMissionHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.UpdateCopyMissionHandlerReq
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewUpdateCopyMissionLogic(r.Context(), svcCtx)
+		data, err := l.UpdateCopyMission(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/copy_mission/upsert_copy_mission_scan_schedule_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package copy_mission
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/copy_mission"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func UpsertCopyMissionScanScheduleHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.UpsertCopyMissionScanScheduleHandlerReq
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := copy_mission.NewUpsertCopyMissionScanScheduleLogic(r.Context(), svcCtx)
+		data, err := l.UpsertCopyMissionScanSchedule(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/persona/publish_persona_copy_draft_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package persona
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/persona"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func PublishPersonaCopyDraftHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.PublishCopyDraftHandlerReq
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := persona.NewPublishPersonaCopyDraftLogic(r.Context(), svcCtx)
+		data, err := l.PublishPersonaCopyDraft(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/persona/update_persona_copy_draft_handler.go

@@ -0,0 +1,33 @@
+// Code scaffolded by goctl. Safe to edit.
+// goctl 1.10.1
+
+package persona
+
+import (
+	"net/http"
+
+	"haixun-backend/internal/logic/persona"
+	"haixun-backend/internal/response"
+	"haixun-backend/internal/svc"
+	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func UpdatePersonaCopyDraftHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.UpdateCopyDraftHandlerReq
+		if err := httpx.Parse(r, &req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+		if err := svcCtx.Validator.ValidateAll(&req); err != nil {
+			response.Write(r.Context(), w, nil, response.WrapRequestError(err))
+			return
+		}
+
+		l := persona.NewUpdatePersonaCopyDraftLogic(r.Context(), svcCtx)
+		data, err := l.UpdatePersonaCopyDraft(&req)
+		response.Write(r.Context(), w, data, err)
+	}
+}

haixun-backend/internal/handler/placement_topic/batch_delete_placement_topic_scan_posts_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func BatchDeletePlacementTopicScanPostsHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/create_placement_topic_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func CreatePlacementTopicHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/delete_placement_topic_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func DeletePlacementTopicHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/delete_placement_topic_scan_post_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func DeletePlacementTopicScanPostHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/expand_placement_topic_graph_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func ExpandPlacementTopicGraphHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/generate_placement_topic_content_matrix_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func GeneratePlacementTopicContentMatrixHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/generate_placement_topic_outreach_drafts_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func GeneratePlacementTopicOutreachDraftsHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/get_placement_topic_content_matrix_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func GetPlacementTopicContentMatrixHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/get_placement_topic_graph_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func GetPlacementTopicGraphHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/get_placement_topic_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func GetPlacementTopicHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/get_placement_topic_scan_schedule_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func GetPlacementTopicScanScheduleHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/list_placement_topic_scan_posts_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func ListPlacementTopicScanPostsHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/patch_placement_topic_graph_nodes_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func PatchPlacementTopicGraphNodesHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/patch_placement_topic_scan_post_outreach_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func PatchPlacementTopicScanPostOutreachHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/publish_placement_topic_outreach_draft_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func PublishPlacementTopicOutreachDraftHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/start_placement_topic_scan_job_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func StartPlacementTopicScanJobHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/update_placement_topic_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func UpdatePlacementTopicHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/placement_topic/upsert_placement_topic_scan_schedule_handler.go

@@ -6,11 +6,12 @@ package placement_topic
 import (
 	"net/http"
 
-	"github.com/zeromicro/go-zero/rest/httpx"
 	"haixun-backend/internal/logic/placement_topic"
 	"haixun-backend/internal/response"
 	"haixun-backend/internal/svc"
 	"haixun-backend/internal/types"
+
+	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
 func UpsertPlacementTopicScanScheduleHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {

haixun-backend/internal/handler/routes.go

@@ -9,6 +9,7 @@ import (
 	ai "haixun-backend/internal/handler/ai"
 	auth "haixun-backend/internal/handler/auth"
 	brand "haixun-backend/internal/handler/brand"
+	copy_mission "haixun-backend/internal/handler/copy_mission"
 	job "haixun-backend/internal/handler/job"
 	member "haixun-backend/internal/handler/member"
 	normal "haixun-backend/internal/handler/normal"
@@ -223,61 +224,86 @@ func RegisterHandlers(server *rest.Server, serverCtx *svc.ServiceContext) {
 
 	server.AddRoutes(
 		rest.WithMiddlewares(
-			[]rest.Middleware{serverCtx.WorkerSecret},
+			[]rest.Middleware{serverCtx.AuthJWT},
 			[]rest.Route{
 				{
-					Method:  http.MethodPost,
-					Path:    "/workers/jobs/:id/analyze-style8d",
-					Handler: job.AnalyzeStyle8DFromWorkerHandler(serverCtx),
+					Method:  http.MethodGet,
+					Path:    "/:personaId/copy-missions",
+					Handler: copy_mission.ListCopyMissionsHandler(serverCtx),
 				},
 				{
 					Method:  http.MethodPost,
-					Path:    "/workers/jobs/:id/cancel-ack",
-					Handler: job.AckWorkerJobCancelHandler(serverCtx),
+					Path:    "/:personaId/copy-mission-inspiration",
+					Handler: copy_mission.InspireCopyMissionHandler(serverCtx),
 				},
 				{
 					Method:  http.MethodPost,
-					Path:    "/workers/jobs/:id/cancel-check",
-					Handler: job.CheckWorkerJobCancelHandler(serverCtx),
+					Path:    "/:personaId/copy-missions",
+					Handler: copy_mission.CreateCopyMissionHandler(serverCtx),
 				},
 				{
-					Method:  http.MethodPost,
-					Path:    "/workers/jobs/:id/complete",
-					Handler: job.CompleteWorkerJobHandler(serverCtx),
-				},
-				{
-					Method:  http.MethodPost,
-					Path:    "/workers/jobs/:id/fail",
-					Handler: job.FailWorkerJobHandler(serverCtx),
-				},
-				{
-					Method:  http.MethodPost,
-					Path:    "/workers/jobs/:id/heartbeat",
-					Handler: job.RefreshWorkerJobLockHandler(serverCtx),
-				},
-				{
-					Method:  http.MethodPost,
-					Path:    "/workers/jobs/:id/progress",
-					Handler: job.UpdateWorkerJobProgressHandler(serverCtx),
-				},
-				{
-					Method:  http.MethodPost,
-					Path:    "/workers/jobs/claim",
-					Handler: job.ClaimWorkerJobHandler(serverCtx),
+					Method:  http.MethodGet,
+					Path:    "/:personaId/copy-missions/:id",
+					Handler: copy_mission.GetCopyMissionHandler(serverCtx),
 				},
 				{
 					Method:  http.MethodPatch,
-					Path:    "/workers/personas/:id/style-profile",
-					Handler: job.StorePersonaStyleProfileFromWorkerHandler(serverCtx),
+					Path:    "/:personaId/copy-missions/:id",
+					Handler: copy_mission.UpdateCopyMissionHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodDelete,
+					Path:    "/:personaId/copy-missions/:id",
+					Handler: copy_mission.DeleteCopyMissionHandler(serverCtx),
 				},
 				{
 					Method:  http.MethodPost,
-					Path:    "/workers/threads-accounts/:id/session",
-					Handler: job.GetWorkerThreadsAccountSessionHandler(serverCtx),
+					Path:    "/:personaId/copy-missions/:id/analyze-jobs",
+					Handler: copy_mission.StartCopyMissionAnalyzeJobHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodGet,
+					Path:    "/:personaId/copy-missions/:id/copy-drafts",
+					Handler: copy_mission.ListCopyMissionCopyDraftsHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/:personaId/copy-missions/:id/matrix-drafts",
+					Handler: copy_mission.GenerateCopyMissionMatrixHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/:personaId/copy-missions/:id/matrix-jobs",
+					Handler: copy_mission.StartCopyMissionMatrixJobHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/:personaId/copy-missions/:id/copy-draft-jobs",
+					Handler: copy_mission.StartCopyMissionCopyDraftJobHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/:personaId/copy-missions/:id/scan-jobs",
+					Handler: copy_mission.StartCopyMissionScanJobHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodGet,
+					Path:    "/:personaId/copy-missions/:id/scan-posts",
+					Handler: copy_mission.ListCopyMissionScanPostsHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodGet,
+					Path:    "/:personaId/copy-missions/:id/scan-schedule",
+					Handler: copy_mission.GetCopyMissionScanScheduleHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPut,
+					Path:    "/:personaId/copy-missions/:id/scan-schedule",
+					Handler: copy_mission.UpsertCopyMissionScanScheduleHandler(serverCtx),
 				},
 			}...,
 		),
-		rest.WithPrefix("/api/v1/internal"),
+		rest.WithPrefix("/api/v1/personas"),
 	)
 
 	server.AddRoutes(
@@ -359,6 +385,65 @@ func RegisterHandlers(server *rest.Server, serverCtx *svc.ServiceContext) {
 		rest.WithPrefix("/api/v1"),
 	)
 
+	server.AddRoutes(
+		rest.WithMiddlewares(
+			[]rest.Middleware{serverCtx.WorkerSecret},
+			[]rest.Route{
+				{
+					Method:  http.MethodPost,
+					Path:    "/workers/jobs/:id/analyze-style8d",
+					Handler: job.AnalyzeStyle8DFromWorkerHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/workers/jobs/:id/cancel-ack",
+					Handler: job.AckWorkerJobCancelHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/workers/jobs/:id/cancel-check",
+					Handler: job.CheckWorkerJobCancelHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/workers/jobs/:id/complete",
+					Handler: job.CompleteWorkerJobHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/workers/jobs/:id/fail",
+					Handler: job.FailWorkerJobHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/workers/jobs/:id/heartbeat",
+					Handler: job.RefreshWorkerJobLockHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/workers/jobs/:id/progress",
+					Handler: job.UpdateWorkerJobProgressHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/workers/jobs/claim",
+					Handler: job.ClaimWorkerJobHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPatch,
+					Path:    "/workers/personas/:id/style-profile",
+					Handler: job.StorePersonaStyleProfileFromWorkerHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/workers/threads-accounts/:id/session",
+					Handler: job.GetWorkerThreadsAccountSessionHandler(serverCtx),
+				},
+			}...,
+		),
+		rest.WithPrefix("/api/v1/internal"),
+	)
+
 	server.AddRoutes(
 		rest.WithMiddlewares(
 			[]rest.Middleware{serverCtx.AuthJWT},
@@ -452,6 +537,16 @@ func RegisterHandlers(server *rest.Server, serverCtx *svc.ServiceContext) {
 					Path:    "/:id/copy-drafts",
 					Handler: persona.ListPersonaCopyDraftsHandler(serverCtx),
 				},
+				{
+					Method:  http.MethodPatch,
+					Path:    "/:id/copy-drafts/:draftId",
+					Handler: persona.UpdatePersonaCopyDraftHandler(serverCtx),
+				},
+				{
+					Method:  http.MethodPost,
+					Path:    "/:id/copy-drafts/:draftId/publish",
+					Handler: persona.PublishPersonaCopyDraftHandler(serverCtx),
+				},
 				{
 					Method:  http.MethodPost,
 					Path:    "/:id/copy-drafts/generate",

haixun-backend/internal/library/exa/client.go

@@ -0,0 +1,191 @@
+package exa
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"time"
+)
+
+const defaultBaseURL = "https://api.exa.ai/search"
+
+type Mode string
+
+const (
+	ModeKnowledgeExpand Mode = "knowledge_expand"
+	ModeThreadsDiscover Mode = "threads_discover"
+)
+
+type SearchResult struct {
+	Title          string
+	Snippet        string
+	URL            string
+	PublishedDate  string
+	Author         string
+	HighlightScore float64
+}
+
+type SearchResponse struct {
+	Results []SearchResult
+	Query   string
+	Status  string // success | unavailable
+}
+
+type Client struct {
+	apiKey  string
+	baseURL string
+	http    *http.Client
+}
+
+func NewClient(apiKey string) *Client {
+	return &Client{
+		apiKey:  strings.TrimSpace(apiKey),
+		baseURL: defaultBaseURL,
+		http: &http.Client{
+			Timeout: 25 * time.Second,
+		},
+	}
+}
+
+func (c *Client) Enabled() bool {
+	return c != nil && c.apiKey != ""
+}
+
+type SearchOptions struct {
+	Query              string
+	Limit              int
+	Mode               Mode
+	UserLocation       string
+	StartPublishedDate string
+}
+
+func (c *Client) Search(ctx context.Context, opts SearchOptions) (SearchResponse, error) {
+	out := SearchResponse{Query: strings.TrimSpace(opts.Query), Status: "unavailable"}
+	if !c.Enabled() {
+		return out, nil
+	}
+	if out.Query == "" {
+		return out, fmt.Errorf("exa search query is required")
+	}
+
+	limit := opts.Limit
+	if limit <= 0 {
+		limit = 5
+	}
+	if limit > 20 {
+		limit = 20
+	}
+
+	userLocation := strings.TrimSpace(opts.UserLocation)
+	if userLocation == "" {
+		userLocation = "TW"
+	}
+
+	body := map[string]any{
+		"query":        out.Query,
+		"type":         "auto",
+		"numResults":   limit,
+		"userLocation": userLocation,
+		"contents": map[string]any{
+			"highlights": true,
+		},
+	}
+	if opts.Mode == ModeThreadsDiscover {
+		body["includeDomains"] = []string{"threads.net", "threads.com"}
+	}
+	if start := strings.TrimSpace(opts.StartPublishedDate); start != "" {
+		body["startPublishedDate"] = start
+	}
+
+	payload, err := json.Marshal(body)
+	if err != nil {
+		return out, err
+	}
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, c.baseURL, bytes.NewReader(payload))
+	if err != nil {
+		return out, err
+	}
+	req.Header.Set("Accept", "application/json")
+	req.Header.Set("Content-Type", "application/json")
+	req.Header.Set("x-api-key", c.apiKey)
+
+	res, err := c.http.Do(req)
+	if err != nil {
+		return out, nil
+	}
+	defer res.Body.Close()
+
+	if res.StatusCode != http.StatusOK {
+		return out, nil
+	}
+
+	raw, err := io.ReadAll(io.LimitReader(res.Body, 1<<20))
+	if err != nil {
+		return out, nil
+	}
+
+	var parsed struct {
+		Results []struct {
+			Title           string    `json:"title"`
+			URL             string    `json:"url"`
+			PublishedDate   string    `json:"publishedDate"`
+			Author          string    `json:"author"`
+			Highlights      []string  `json:"highlights"`
+			HighlightScores []float64 `json:"highlightScores"`
+		} `json:"results"`
+	}
+	if err := json.Unmarshal(raw, &parsed); err != nil {
+		return out, nil
+	}
+
+	threadsOnly := opts.Mode == ModeThreadsDiscover
+	for _, item := range parsed.Results {
+		rawURL := strings.TrimSpace(item.URL)
+		if rawURL == "" {
+			continue
+		}
+		if threadsOnly && !isThreadsURL(rawURL) {
+			continue
+		}
+		snippet := firstHighlight(item.Highlights)
+		if snippet == "" {
+			snippet = strings.TrimSpace(item.Title)
+		}
+		score := 0.0
+		if len(item.HighlightScores) > 0 {
+			score = item.HighlightScores[0]
+		}
+		out.Results = append(out.Results, SearchResult{
+			Title:          strings.TrimSpace(item.Title),
+			Snippet:        snippet,
+			URL:            rawURL,
+			PublishedDate:  strings.TrimSpace(item.PublishedDate),
+			Author:         strings.TrimSpace(item.Author),
+			HighlightScore: score,
+		})
+		if len(out.Results) >= limit {
+			break
+		}
+	}
+	out.Status = "success"
+	return out, nil
+}
+
+func firstHighlight(items []string) string {
+	for _, item := range items {
+		if trimmed := strings.TrimSpace(item); trimmed != "" {
+			return trimmed
+		}
+	}
+	return ""
+}
+
+func isThreadsURL(raw string) bool {
+	lower := strings.ToLower(raw)
+	return strings.Contains(lower, "threads.com") || strings.Contains(lower, "threads.net")
+}

haixun-backend/internal/library/exa/client_test.go

@@ -0,0 +1,46 @@
+package exa
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestSearchParsesHighlights(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.Header.Get("x-api-key") != "test-key" {
+			t.Fatalf("missing api key header")
+		}
+		_ = json.NewEncoder(w).Encode(map[string]any{
+			"results": []map[string]any{
+				{
+					"title":           "Threads post",
+					"url":             "https://www.threads.net/@alice/post/abc123",
+					"highlights":      []string{"這是一則測試貼文內容"},
+					"highlightScores": []float64{0.82},
+				},
+			},
+		})
+	}))
+	defer server.Close()
+
+	client := NewClient("test-key")
+	client.baseURL = server.URL
+
+	res, err := client.Search(context.Background(), SearchOptions{
+		Query: "Threads 貼文",
+		Limit: 5,
+		Mode:  ModeThreadsDiscover,
+	})
+	if err != nil {
+		t.Fatalf("search failed: %v", err)
+	}
+	if res.Status != "success" || len(res.Results) != 1 {
+		t.Fatalf("unexpected response: %+v", res)
+	}
+	if res.Results[0].Snippet != "這是一則測試貼文內容" {
+		t.Fatalf("unexpected snippet: %q", res.Results[0].Snippet)
+	}
+}

haixun-backend/internal/library/knowledge/brave_collect.go

@@ -6,12 +6,13 @@ import (
 	"sync"
 	"sync/atomic"
 
-	libbrave "haixun-backend/internal/library/brave"
+	"haixun-backend/internal/library/websearch"
 )
 
 type BraveSearchLocale struct {
-	Country    string
-	SearchLang string
+	Country      string
+	SearchLang   string
+	UserLocation string
 }
 
 type BraveCollectConfig struct {
@@ -53,7 +54,19 @@ func DefaultBraveCollectConfig() BraveCollectConfig {
 
 func CollectBraveSources(
 	ctx context.Context,
-	client *libbrave.Client,
+	client websearch.Client,
+	locale BraveSearchLocale,
+	queries []string,
+	cfg BraveCollectConfig,
+	onProgress func(i, total int),
+	heartbeat func() error,
+) []BraveSource {
+	return CollectWebSources(ctx, client, locale, queries, cfg, onProgress, heartbeat)
+}
+
+func CollectWebSources(
+	ctx context.Context,
+	client websearch.Client,
 	locale BraveSearchLocale,
 	queries []string,
 	cfg BraveCollectConfig,
@@ -64,14 +77,14 @@ func CollectBraveSources(
 		return nil
 	}
 	if cfg.Concurrency <= 1 {
-		return collectBraveSourcesSequential(ctx, client, locale, queries, cfg, onProgress, heartbeat)
+		return collectWebSourcesSequential(ctx, client, locale, queries, cfg, onProgress, heartbeat)
 	}
-	return collectBraveSourcesParallel(ctx, client, locale, queries, cfg, onProgress, heartbeat)
+	return collectWebSourcesParallel(ctx, client, locale, queries, cfg, onProgress, heartbeat)
 }
 
-func collectBraveSourcesSequential(
+func collectWebSourcesSequential(
 	ctx context.Context,
-	client *libbrave.Client,
+	client websearch.Client,
 	locale BraveSearchLocale,
 	queries []string,
 	cfg BraveCollectConfig,
@@ -94,7 +107,7 @@ func collectBraveSourcesSequential(
 				return out
 			}
 		}
-		appendBraveResults(&out, seenURL, query, searchBraveQuery(ctx, client, locale, query, cfg.ResultsPerQuery))
+		appendBraveResults(&out, seenURL, query, searchWebQuery(ctx, client, locale, query, cfg.ResultsPerQuery))
 		if onProgress != nil {
 			onProgress(i, len(queries))
 		}
@@ -136,9 +149,9 @@ func (s *braveCollectState) appendResults(query string, items []BraveSource) {
 	}
 }
 
-func collectBraveSourcesParallel(
+func collectWebSourcesParallel(
 	ctx context.Context,
-	client *libbrave.Client,
+	client websearch.Client,
 	locale BraveSearchLocale,
 	queries []string,
 	cfg BraveCollectConfig,
@@ -180,7 +193,7 @@ func collectBraveSourcesParallel(
 					}
 				}
 				query := queries[i]
-				items := searchBraveQuery(ctx, client, locale, query, cfg.ResultsPerQuery)
+				items := searchWebQuery(ctx, client, locale, query, cfg.ResultsPerQuery)
 				state.appendResults(query, items)
 				done := int(atomic.AddInt32(&state.completed, 1))
 				if onProgress != nil {
@@ -200,19 +213,20 @@ func shouldStopCollect(out []BraveSource, cfg BraveCollectConfig) bool {
 	return len(out) >= cfg.MinSourcesBeforeStop && uniqueSourceCount(out) >= cfg.MinSourcesBeforeStop
 }
 
-func searchBraveQuery(
+func searchWebQuery(
 	ctx context.Context,
-	client *libbrave.Client,
+	client websearch.Client,
 	locale BraveSearchLocale,
 	query string,
 	limit int,
 ) []BraveSource {
-	res, _ := client.Search(ctx, libbrave.SearchOptions{
-		Query:      query,
-		Limit:      limit,
-		Mode:       libbrave.ModeKnowledgeExpand,
-		Country:    locale.Country,
-		SearchLang: locale.SearchLang,
+	res, _ := client.Search(ctx, websearch.SearchOptions{
+		Query:        query,
+		Limit:        limit,
+		Mode:         websearch.ModeKnowledgeExpand,
+		Country:      locale.Country,
+		SearchLang:   locale.SearchLang,
+		UserLocation: locale.UserLocation,
 	})
 	items := make([]BraveSource, 0, len(res.Results))
 	for _, item := range res.Results {

haixun-backend/internal/library/knowledge/expand_strategy.go

@@ -21,10 +21,14 @@ func ParseExpandStrategy(raw string) ExpandStrategy {
 	}
 }
 
-func (s ExpandStrategy) RequiresBrave() bool {
+func (s ExpandStrategy) RequiresWebSearch() bool {
 	return s == ExpandStrategyBrave || s == ExpandStrategyHybrid
 }
 
+func (s ExpandStrategy) RequiresBrave() bool {
+	return s.RequiresWebSearch()
+}
+
 // UsesSupplementalBrave 廣度補充是否再打第二輪 Brave（hybrid 改由 LLM 補廣度以省 API）。
 func (s ExpandStrategy) UsesSupplementalBrave() bool {
 	return s == ExpandStrategyBrave

haixun-backend/internal/library/matrix/copy_generate.go

@@ -0,0 +1,84 @@
+package matrix
+
+import (
+	"fmt"
+	"strings"
+
+	libprompt "haixun-backend/internal/library/prompt"
+)
+
+type CopyGenerateInput struct {
+	Count        int
+	TopicLabel   string
+	TopicBrief   string
+	ResearchMap  string
+	SelectedTags []string
+	ViralSamples string
+	PersonaBlock string
+}
+
+func BuildCopyUserPrompt(in CopyGenerateInput) (string, error) {
+	count := in.Count
+	if count <= 0 {
+		count = 5
+	}
+	if count > 12 {
+		count = 12
+	}
+	return libprompt.MatrixCopyUser(map[string]string{
+		"count":               fmt.Sprintf("%d", count),
+		"topic_label":         strings.TrimSpace(in.TopicLabel),
+		"topic_brief":         strings.TrimSpace(in.TopicBrief),
+		"research_map_block":  strings.TrimSpace(in.ResearchMap),
+		"selected_tags_block": formatTagList(in.SelectedTags),
+		"viral_samples_block": strings.TrimSpace(in.ViralSamples),
+		"persona_block":       strings.TrimSpace(in.PersonaBlock),
+	})
+}
+
+func formatTagList(tags []string) string {
+	if len(tags) == 0 {
+		return "（尚未選擇）"
+	}
+	lines := make([]string, 0, len(tags))
+	for _, tag := range tags {
+		tag = strings.TrimSpace(tag)
+		if tag == "" {
+			continue
+		}
+		lines = append(lines, "- "+tag)
+	}
+	if len(lines) == 0 {
+		return "（尚未選擇）"
+	}
+	return strings.Join(lines, "\n")
+}
+
+func FormatCopyResearchMapBlock(audience, goal string, questions, pillars, exclusions []string) string {
+	var b strings.Builder
+	if audience = strings.TrimSpace(audience); audience != "" {
+		b.WriteString("受眾：")
+		b.WriteString(audience)
+		b.WriteString("\n")
+	}
+	if goal = strings.TrimSpace(goal); goal != "" {
+		b.WriteString("內容目標：")
+		b.WriteString(goal)
+		b.WriteString("\n")
+	}
+	if len(pillars) > 0 {
+		b.WriteString("支柱：")
+		b.WriteString(strings.Join(pillars, "、"))
+		b.WriteString("\n")
+	}
+	if len(questions) > 0 {
+		b.WriteString("受眾問題：")
+		b.WriteString(strings.Join(questions, "；"))
+		b.WriteString("\n")
+	}
+	if len(exclusions) > 0 {
+		b.WriteString("排除：")
+		b.WriteString(strings.Join(exclusions, "；"))
+	}
+	return strings.TrimSpace(b.String())
+}

haixun-backend/internal/library/matrix/generate.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 
 	libprompt "haixun-backend/internal/library/prompt"
+	"haixun-backend/internal/library/threadspost"
 )
 
 type Row struct {
@@ -121,8 +122,8 @@ func ParseGenerateOutput(raw string) (GenerateResult, error) {
 func trimText(text string) string {
 	text = strings.TrimSpace(text)
 	runes := []rune(text)
-	if len(runes) > 500 {
-		return string(runes[:500])
+	if len(runes) > threadspost.MaxPublishRunes {
+		return string(runes[:threadspost.MaxPublishRunes])
 	}
 	return text
 }

haixun-backend/internal/library/matrix/samples.go

@@ -0,0 +1,55 @@
+package matrix
+
+import (
+	"fmt"
+	"strings"
+)
+
+type ViralReplySample struct {
+	Author string
+	Text   string
+}
+
+type ViralPostSample struct {
+	Author    string
+	LikeCount int
+	SearchTag string
+	Text      string
+	Replies   []ViralReplySample
+}
+
+func FormatViralSamples(posts []ViralPostSample) string {
+	if len(posts) == 0 {
+		return "（尚無海巡樣本，請依研究地圖與標籤發揮）"
+	}
+	var b strings.Builder
+	limit := 8
+	if len(posts) < limit {
+		limit = len(posts)
+	}
+	for i := 0; i < limit; i++ {
+		post := posts[i]
+		b.WriteString(fmt.Sprintf("\n[%d] @%s · %d讚 · 標籤:%s\n", i+1, post.Author, post.LikeCount, post.SearchTag))
+		text := strings.TrimSpace(post.Text)
+		if len([]rune(text)) > 160 {
+			text = string([]rune(text)[:160])
+		}
+		b.WriteString(text)
+		b.WriteString("\n")
+		if len(post.Replies) > 0 {
+			b.WriteString("  熱門留言：")
+			for j, reply := range post.Replies {
+				if j >= 3 {
+					break
+				}
+				rt := strings.TrimSpace(reply.Text)
+				if len([]rune(rt)) > 60 {
+					rt = string([]rune(rt)[:60])
+				}
+				b.WriteString(fmt.Sprintf("\n  - @%s: %s", reply.Author, rt))
+			}
+			b.WriteString("\n")
+		}
+	}
+	return strings.TrimSpace(b.String())
+}

haixun-backend/internal/library/placement/context.go

@@ -1,6 +1,11 @@
 package placement
 
-import "strings"
+import (
+	"fmt"
+	"strings"
+
+	"haixun-backend/internal/library/websearch"
+)
 
 // ConnectionPrefsInput mirrors persisted account connection prefs without importing threads_account.
 type ConnectionPrefsInput struct {
@@ -18,9 +23,12 @@ type MemberContext struct {
 	AllowsThreadsAPI      bool
 	AllowsBrave           bool
 	AllowsCrawler         bool
+	WebSearchProvider     string
 	BraveAPIKey           string
+	ExaAPIKey             string
 	BraveCountry          string
 	BraveSearchLang       string
+	ExaUserLocation       string
 	ApiConnected          bool
 	BrowserConnected      bool
 	ThreadsAPIAccessToken string
@@ -29,10 +37,13 @@ type MemberContext struct {
 }
 
 type ResearchSettings struct {
-	BraveAPIKey     string
-	BraveCountry    string
-	BraveSearchLang string
-	ExpandStrategy  string
+	WebSearchProvider string
+	BraveAPIKey       string
+	ExaAPIKey         string
+	BraveCountry      string
+	BraveSearchLang   string
+	ExaUserLocation   string
+	ExpandStrategy    string
 }
 
 func BuildMemberContext(
@@ -44,20 +55,13 @@ func BuildMemberContext(
 	repliesPerPost int,
 ) MemberContext {
 	mode := ParseSearchSourceMode(prefs.SearchSourceMode)
+	if prefs.DevMode && strings.TrimSpace(prefs.SearchSourceMode) == "" {
+		mode = SearchSourceCrawler
+	}
 	allowsCrawler := ModeAllowsCrawler(mode)
 	allowsThreads := ModeAllowsThreadsAPI(mode)
 	allowsBrave := ModeAllowsBrave(mode)
 
-	if !prefs.DevMode {
-		mode = WithoutCrawler(mode)
-		allowsCrawler = false
-	} else {
-		mode = SearchSourceCrawler
-		allowsCrawler = true
-		allowsThreads = false
-		allowsBrave = false
-	}
-
 	country := strings.TrimSpace(research.BraveCountry)
 	if country == "" {
 		country = "tw"
@@ -66,45 +70,103 @@ func BuildMemberContext(
 	if lang == "" {
 		lang = "zh-hant"
 	}
+	userLocation := strings.TrimSpace(research.ExaUserLocation)
+	if userLocation == "" {
+		userLocation = "TW"
+	}
 
 	if repliesPerPost <= 0 {
 		repliesPerPost = 10
 	}
 
 	return MemberContext{
-		TenantID:         tenantID,
-		OwnerUID:         ownerUID,
-		ActiveAccountID:  activeAccountID,
-		DevMode:          prefs.DevMode,
-		SearchSourceMode: mode,
-		AllowsThreadsAPI: allowsThreads,
-		AllowsBrave:      allowsBrave,
-		AllowsCrawler:    allowsCrawler,
-		BraveAPIKey:      strings.TrimSpace(research.BraveAPIKey),
-		BraveCountry:     country,
-		BraveSearchLang:  lang,
-		ApiConnected:     apiConnected,
-		BrowserConnected: browserConnected,
-		ScrapeReplies:    scrapeReplies,
-		RepliesPerPost:   repliesPerPost,
+		TenantID:          tenantID,
+		OwnerUID:          ownerUID,
+		ActiveAccountID:   activeAccountID,
+		DevMode:           prefs.DevMode,
+		SearchSourceMode:  mode,
+		AllowsThreadsAPI:  allowsThreads,
+		AllowsBrave:       allowsBrave,
+		AllowsCrawler:     allowsCrawler,
+		WebSearchProvider: string(websearch.ParseProvider(research.WebSearchProvider)),
+		BraveAPIKey:       strings.TrimSpace(research.BraveAPIKey),
+		ExaAPIKey:         strings.TrimSpace(research.ExaAPIKey),
+		BraveCountry:      country,
+		BraveSearchLang:   lang,
+		ExaUserLocation:   userLocation,
+		ApiConnected:      apiConnected,
+		BrowserConnected:  browserConnected,
+		ScrapeReplies:     scrapeReplies,
+		RepliesPerPost:    repliesPerPost,
 	}
 }
 
 func (c MemberContext) PayloadFields() map[string]any {
 	return map[string]any{
-		"tenant_id":          c.TenantID,
-		"owner_uid":          c.OwnerUID,
-		"threads_account_id": c.ActiveAccountID,
-		"dev_mode":           c.DevMode,
-		"search_source_mode": string(c.SearchSourceMode),
-		"allows_threads_api": c.AllowsThreadsAPI,
-		"allows_brave":       c.AllowsBrave,
-		"allows_crawler":     c.AllowsCrawler,
-		"brave_country":      c.BraveCountry,
-		"brave_search_lang":  c.BraveSearchLang,
-		"api_connected":      c.ApiConnected,
-		"browser_connected":  c.BrowserConnected,
-		"scrape_replies":     c.ScrapeReplies,
-		"replies_per_post":   c.RepliesPerPost,
+		"tenant_id":           c.TenantID,
+		"owner_uid":           c.OwnerUID,
+		"threads_account_id":  c.ActiveAccountID,
+		"dev_mode":            c.DevMode,
+		"search_source_mode":  string(c.SearchSourceMode),
+		"allows_threads_api":  c.AllowsThreadsAPI,
+		"allows_brave":        c.AllowsBrave,
+		"allows_crawler":      c.AllowsCrawler,
+		"web_search_provider": c.WebSearchProvider,
+		"brave_country":       c.BraveCountry,
+		"brave_search_lang":   c.BraveSearchLang,
+		"exa_user_location":   c.ExaUserLocation,
+		"api_connected":       c.ApiConnected,
+		"browser_connected":   c.BrowserConnected,
+		"scrape_replies":      c.ScrapeReplies,
+		"replies_per_post":    c.RepliesPerPost,
 	}
 }
+
+func (c MemberContext) WebSearchProviderEnum() websearch.Provider {
+	return websearch.ParseProvider(c.WebSearchProvider)
+}
+
+func (c MemberContext) WebSearchAPIKey() string {
+	if c.WebSearchProviderEnum() == websearch.ProviderExa {
+		return strings.TrimSpace(c.ExaAPIKey)
+	}
+	return strings.TrimSpace(c.BraveAPIKey)
+}
+
+func (c MemberContext) WebSearchConfig() websearch.Config {
+	return websearch.ConfigFromMember(
+		c.BraveAPIKey,
+		c.ExaAPIKey,
+		c.WebSearchProvider,
+		c.BraveCountry,
+		c.BraveSearchLang,
+		c.ExaUserLocation,
+	)
+}
+
+func (c MemberContext) WebSearchProviderLabel() string {
+	return websearch.ProviderLabel(c.WebSearchProviderEnum())
+}
+
+func (c MemberContext) WebSearchDiscoverChannel() DiscoverChannel {
+	if c.WebSearchProviderEnum() == websearch.ProviderExa {
+		return DiscoverExa
+	}
+	return DiscoverBrave
+}
+
+func MissingWebSearchKey(research ResearchSettings) bool {
+	return strings.TrimSpace(websearch.ActiveAPIKey(websearch.ConfigFromMember(
+		research.BraveAPIKey,
+		research.ExaAPIKey,
+		research.WebSearchProvider,
+		research.BraveCountry,
+		research.BraveSearchLang,
+		research.ExaUserLocation,
+	))) == ""
+}
+
+func WebSearchKeyRequiredMessage(research ResearchSettings) string {
+	provider := websearch.ParseProvider(research.WebSearchProvider)
+	return fmt.Sprintf("請在設定頁設定 %s Search API key（跟隨此登入帳號）", websearch.ProviderLabel(provider))
+}

haixun-backend/internal/library/placement/crawler_exec.go

@@ -26,8 +26,10 @@ type execCrawlerPost struct {
 	Permalink  string `json:"permalink"`
 	ExternalID string `json:"externalId"`
 	AuthorName string `json:"authorName"`
-	LikeCount  int    `json:"likeCount"`
-	ReplyCount int    `json:"replyCount"`
+	LikeCount       int  `json:"likeCount"`
+	ReplyCount      int  `json:"replyCount"`
+	AuthorVerified  bool `json:"authorVerified"`
+	FollowerCount   int  `json:"followerCount"`
 }
 
 type execCrawlerOutput struct {
@@ -94,13 +96,15 @@ func RunExecCrawlerSearch(ctx context.Context, storageState, keyword string, lim
 		permalink := strings.TrimSpace(item.Permalink)
 		extID := strings.TrimSpace(item.ExternalID)
 		posts = append(posts, DiscoverPost{
-			Text:       text,
-			Permalink:  permalink,
-			ExternalID: extID,
-			Author:     author,
-			LikeCount:  item.LikeCount,
-			ReplyCount: item.ReplyCount,
-			Source:     DiscoverCrawler,
+			Text:           text,
+			Permalink:      permalink,
+			ExternalID:     extID,
+			Author:         author,
+			AuthorVerified: item.AuthorVerified,
+			FollowerCount:  item.FollowerCount,
+			LikeCount:      item.LikeCount,
+			ReplyCount:     item.ReplyCount,
+			Source:         DiscoverCrawler,
 		})
 	}
 	return posts, nil

haixun-backend/internal/library/placement/discover.go

@@ -11,6 +11,7 @@ type DiscoverChannel string
 const (
 	DiscoverThreadsAPI DiscoverChannel = "threads_api"
 	DiscoverBrave      DiscoverChannel = "brave"
+	DiscoverExa        DiscoverChannel = "exa"
 	DiscoverCrawler    DiscoverChannel = "crawler"
 )
 
@@ -25,57 +26,84 @@ type DiscoverRequest struct {
 }
 
 type DiscoverPost struct {
-	Text       string
-	Permalink  string
-	ExternalID string
-	Author     string
-	PostedAt   string
-	LikeCount  int
-	ReplyCount int
-	Source     DiscoverChannel
+	Text           string
+	Permalink      string
+	ExternalID     string
+	Author         string
+	PostedAt       string
+	AuthorVerified bool
+	FollowerCount  int
+	LikeCount      int
+	ReplyCount     int
+	Source         DiscoverChannel
 }
 
-// Discover runs keyword discovery respecting the member's connection prefs.
-// Formal mode (dev_mode=false) never falls back to crawler.
+// Discover runs keyword discovery respecting search_source_mode and available connections.
+// Crawler-first modes skip Threads API when the browser session returns posts (saves API quota).
 func Discover(ctx context.Context, req DiscoverRequest) ([]DiscoverPost, DiscoverChannel, error) {
 	m := req.Member
-	if m.DevMode {
-		if !m.BrowserConnected {
-			return nil, "", fmt.Errorf("開發模式需先同步 Chrome Session")
+	if !m.HasDiscoverPath() {
+		return nil, "", discoverMissingPathError(m)
+	}
+
+	if ShouldTryCrawlerFirst(m) {
+		posts, err := runCrawlerDiscover(ctx, req)
+		if err == nil && len(posts) > 0 {
+			return posts, DiscoverCrawler, nil
 		}
-		if req.Crawler == nil {
-			return nil, DiscoverCrawler, fmt.Errorf("crawler search not configured")
+		if m.SearchSourceMode == SearchSourceCrawler {
+			if err != nil {
+				return nil, DiscoverCrawler, err
+			}
+			return posts, DiscoverCrawler, nil
 		}
-		keyword := CrawlerKeywordFromQuery(req.Query, req.Keyword)
-		if keyword == "" {
-			return nil, DiscoverCrawler, fmt.Errorf("crawler keyword is empty")
+	}
+
+	if m.AllowsThreadsAPI {
+		if !m.ApiConnected {
+			if !m.CrawlerFallbackAllowed() {
+				return nil, "", fmt.Errorf("正式模式需先完成 Threads API 連線")
+			}
+		} else {
+			posts, err := keywordSearchViaThreadsAPI(ctx, req)
+			if err == nil && len(posts) > 0 {
+				return posts, DiscoverThreadsAPI, nil
+			}
+			if err != nil {
+				if m.CrawlerFallbackAllowed() {
+					cPosts, cErr := runCrawlerDiscover(ctx, req)
+					if cErr == nil && len(cPosts) > 0 {
+						return cPosts, DiscoverCrawler, nil
+					}
+				}
+				if !m.AllowsBrave && !m.CrawlerFallbackAllowed() {
+					// Optional API field gaps must not fail the whole patrol; return empty for this keyword.
+					return []DiscoverPost{}, DiscoverThreadsAPI, nil
+				}
+			}
 		}
-		posts, err := req.Crawler(ctx, m, keyword, req.Limit)
+	}
+
+	if m.AllowsBrave {
+		if m.WebSearchAPIKey() == "" {
+			if m.CrawlerFallbackAllowed() {
+				posts, err := runCrawlerDiscover(ctx, req)
+				if err == nil {
+					return posts, DiscoverCrawler, nil
+				}
+			}
+			return nil, "", fmt.Errorf("請在設定頁設定 %s Search API key（跟隨此登入帳號）", m.WebSearchProviderLabel())
+		}
+		return nil, m.WebSearchDiscoverChannel(), fmt.Errorf("web search threads discover delegated to worker")
+	}
+
+	if m.CrawlerFallbackAllowed() {
+		posts, err := runCrawlerDiscover(ctx, req)
 		if err != nil {
 			return nil, DiscoverCrawler, err
 		}
 		return posts, DiscoverCrawler, nil
 	}
 
-	if m.AllowsThreadsAPI {
-		if !m.ApiConnected {
-			return nil, "", fmt.Errorf("正式模式需先完成 Threads API 連線")
-		}
-		posts, err := keywordSearchViaThreadsAPI(ctx, req)
-		if err == nil && len(posts) > 0 {
-			return posts, DiscoverThreadsAPI, nil
-		}
-		if err != nil && !m.AllowsBrave {
-			return nil, "", err
-		}
-	}
-
-	if m.AllowsBrave {
-		if m.BraveAPIKey == "" {
-			return nil, "", fmt.Errorf("請在設定頁設定 Brave Search API key（跟隨此登入帳號）")
-		}
-		return nil, DiscoverBrave, fmt.Errorf("brave threads discover delegated to worker")
-	}
-
 	return nil, "", fmt.Errorf("目前搜尋來源模式無可用管道：%s", m.SearchSourceMode)
 }

haixun-backend/internal/library/placement/discover_route.go

@@ -0,0 +1,113 @@
+package placement
+
+import (
+	"context"
+	"fmt"
+)
+
+// ShouldTryCrawlerFirst reports whether discover should attempt Playwright before Threads API
+// to minimize official API calls when a browser session is available.
+func ShouldTryCrawlerFirst(m MemberContext) bool {
+	if !m.AllowsCrawler || !m.BrowserConnected || m.CrawlerBlocked() {
+		return false
+	}
+	switch m.SearchSourceMode {
+	case SearchSourceCrawler, SearchSourceThreadsCrawler, SearchSourceBraveCrawler:
+		return true
+	case SearchSourceMixed, SearchSourceThreadsBrave:
+		return true
+	default:
+		return false
+	}
+}
+
+// CrawlerBlocked returns true when the mode is API-only or web-search-only.
+func (m MemberContext) CrawlerBlocked() bool {
+	switch m.SearchSourceMode {
+	case SearchSourceThreads, SearchSourceBrave:
+		return true
+	default:
+		return false
+	}
+}
+
+// CrawlerFallbackAllowed returns true when crawler may be used after API/web search fails.
+func (m MemberContext) CrawlerFallbackAllowed() bool {
+	if !m.AllowsCrawler || !m.BrowserConnected {
+		return false
+	}
+	switch m.SearchSourceMode {
+	case SearchSourceThreadsCrawler, SearchSourceBraveCrawler, SearchSourceMixed:
+		return true
+	default:
+		return false
+	}
+}
+
+// HasDiscoverPath reports whether at least one discover backend is configured and connected.
+func (m MemberContext) HasDiscoverPath() bool {
+	if m.AllowsCrawler && m.BrowserConnected {
+		return true
+	}
+	if m.AllowsThreadsAPI && m.ApiConnected {
+		return true
+	}
+	if m.AllowsBrave && m.WebSearchAPIKey() != "" {
+		return true
+	}
+	return false
+}
+
+// DiscoverPathLabel summarizes the active routing for job progress UI.
+func (m MemberContext) DiscoverPathLabel() string {
+	if ShouldTryCrawlerFirst(m) {
+		if m.AllowsThreadsAPI && m.ApiConnected {
+			return "爬蟲優先（不足再 API）"
+		}
+		return "爬蟲"
+	}
+	if m.SearchSourceMode == SearchSourceCrawler {
+		return "爬蟲"
+	}
+	if m.AllowsThreadsAPI && m.ApiConnected {
+		return "Threads API"
+	}
+	if m.AllowsBrave {
+		return m.WebSearchProviderLabel()
+	}
+	return string(m.SearchSourceMode)
+}
+
+func discoverMissingPathError(m MemberContext) error {
+	switch m.SearchSourceMode {
+	case SearchSourceCrawler:
+		return fmt.Errorf("請先同步 Chrome Session 以使用爬蟲搜尋")
+	case SearchSourceThreadsCrawler, SearchSourceBraveCrawler:
+		if !m.BrowserConnected && !m.ApiConnected && m.WebSearchAPIKey() == "" {
+			return fmt.Errorf("請同步 Chrome Session 或完成 Threads API / Web Search 連線")
+		}
+		if !m.BrowserConnected {
+			return fmt.Errorf("爬蟲優先模式建議先同步 Chrome Session；亦可改用僅 Threads API")
+		}
+		return fmt.Errorf("請完成 Threads API 或 Web Search 連線作為備援")
+	case SearchSourceThreads, SearchSourceThreadsBrave:
+		return fmt.Errorf("請先完成 Threads API 連線")
+	case SearchSourceBrave:
+		return fmt.Errorf("請在設定頁設定 %s Search API key", m.WebSearchProviderLabel())
+	case SearchSourceMixed:
+		return fmt.Errorf("請同步 Chrome Session、完成 Threads API 或設定 Web Search API key 至少一項")
+	default:
+		return fmt.Errorf("目前搜尋來源模式無可用管道：%s", m.SearchSourceMode)
+	}
+}
+
+func runCrawlerDiscover(ctx context.Context, req DiscoverRequest) ([]DiscoverPost, error) {
+	if req.Crawler == nil {
+		return nil, fmt.Errorf("crawler search not configured")
+	}
+	keyword := CrawlerKeywordFromQuery(req.Query, req.Keyword)
+	if keyword == "" {
+		return nil, fmt.Errorf("crawler keyword is empty")
+	}
+	return req.Crawler(ctx, req.Member, keyword, req.Limit)
+}

haixun-backend/internal/library/placement/discover_route_test.go

@@ -0,0 +1,41 @@
+package placement
+
+import "testing"
+
+func TestShouldTryCrawlerFirst_mixedWithBrowser(t *testing.T) {
+	m := MemberContext{
+		AllowsCrawler:     true,
+		BrowserConnected:  true,
+		SearchSourceMode:  SearchSourceMixed,
+		AllowsThreadsAPI:  true,
+		ApiConnected:      true,
+	}
+	if !ShouldTryCrawlerFirst(m) {
+		t.Fatal("mixed + browser should try crawler first to save API")
+	}
+}
+
+func TestShouldTryCrawlerFirst_threadsOnly(t *testing.T) {
+	m := MemberContext{
+		AllowsCrawler:    true,
+		BrowserConnected: true,
+		SearchSourceMode: SearchSourceThreads,
+	}
+	if ShouldTryCrawlerFirst(m) {
+		t.Fatal("threads-only must not use crawler first")
+	}
+}
+
+func TestBuildMemberContextFormalModeKeepsCrawlerMode(t *testing.T) {
+	prefs := ConnectionPrefsInput{
+		DevMode:          false,
+		SearchSourceMode: string(SearchSourceThreadsCrawler),
+	}
+	ctx := BuildMemberContext("t", "u", "acc", prefs, true, true, ResearchSettings{}, false, 10)
+	if !ctx.AllowsCrawler {
+		t.Fatal("threads_crawler in formal mode should allow crawler")
+	}
+	if !ctx.AllowsThreadsAPI {
+		t.Fatal("threads_crawler should still allow API fallback")
+	}
+}

haixun-backend/internal/library/placement/dual_track.go

@@ -6,8 +6,8 @@ import (
 	"strings"
 	"time"
 
-	libbrave "haixun-backend/internal/library/brave"
 	libkg "haixun-backend/internal/library/knowledge"
+	"haixun-backend/internal/library/websearch"
 )
 
 const (
@@ -28,6 +28,8 @@ type ScanCandidate struct {
 	HasRelevance    bool
 	HasRecency      bool
 	Priority        string
+	AuthorVerified  bool
+	FollowerCount   int
 	LikeCount       int
 	ReplyCount      int
 	EngagementScore int
@@ -42,7 +44,7 @@ type DualTrackInput struct {
 	PatrolKeywords []string
 	Exclusions     []string
 	Member         MemberContext
-	Client         *libbrave.Client
+	WebSearch      websearch.Client
 	Crawler        CrawlerSearchFn
 	Limit          int // max queries budget; 0 = default
 	OnCheckpoint   func(candidates []ScanCandidate) error
@@ -51,7 +53,7 @@ type DualTrackInput struct {
 type DualTrackProgress func(message string, pct int)
 
 // CollectTagQueries builds crawl jobs from selected graph nodes.
-func CollectTagQueries(nodes []libkg.Node) []TagQuery {
+func CollectTagQueries(nodes []libkg.Node, provider websearch.Provider) []TagQuery {
 	out := make([]TagQuery, 0, len(nodes)*4)
 	for _, node := range nodes {
 		if !node.SelectedForScan {
@@ -67,7 +69,7 @@ func CollectTagQueries(nodes []libkg.Node) []TagQuery {
 			if tag == "" {
 				continue
 			}
-			q := BuildRelevanceQuery(tag)
+			q := BuildRelevanceQuery(provider, tag)
 			if q == "" {
 				continue
 			}
@@ -84,7 +86,7 @@ func CollectTagQueries(nodes []libkg.Node) []TagQuery {
 			if tag == "" {
 				continue
 			}
-			q7 := BuildRecencyQuery(tag, IdealMaxPostAgeDays)
+			q7 := BuildRecencyQuery(provider, tag, IdealMaxPostAgeDays)
 			if q7 != "" {
 				out = append(out, TagQuery{
 					Tag:             tag,
@@ -95,7 +97,7 @@ func CollectTagQueries(nodes []libkg.Node) []TagQuery {
 					RecencyDays:     IdealMaxPostAgeDays,
 				})
 			}
-			q30 := BuildRecencyQuery(tag, MaxPostAgeDays)
+			q30 := BuildRecencyQuery(provider, tag, MaxPostAgeDays)
 			if q30 != "" && q30 != q7 {
 				out = append(out, TagQuery{
 					Tag:             tag,
@@ -113,7 +115,7 @@ func CollectTagQueries(nodes []libkg.Node) []TagQuery {
 
 // RunDualTrackDiscover executes relevance + recency queries and merges by permalink.
 func RunDualTrackDiscover(ctx context.Context, input DualTrackInput, onProgress DualTrackProgress) ([]ScanCandidate, error) {
-	queries := ResolveTagQueries(input.Nodes, input.PatrolKeywords)
+	queries := ResolveTagQueries(input.Nodes, input.PatrolKeywords, input.Member.WebSearchProviderEnum())
 	if len(queries) == 0 {
 		if len(input.PatrolKeywords) > 0 {
 			return nil, fmt.Errorf("海巡關鍵字格式無效，請改用 2～8 字的真人搜尋短句")
@@ -165,6 +167,8 @@ func RunDualTrackDiscover(ctx context.Context, input DualTrackInput, onProgress
 					Permalink:       post.Permalink,
 					ExternalID:      extID,
 					Author:          post.Author,
+					AuthorVerified:  post.AuthorVerified,
+					FollowerCount:   post.FollowerCount,
 					Text:            post.Text,
 					SearchTag:       tq.Tag,
 					QueryDimension:  tq.Dimension,
@@ -174,6 +178,8 @@ func RunDualTrackDiscover(ctx context.Context, input DualTrackInput, onProgress
 					HasRelevance:    tq.Dimension == QueryRelevance,
 					HasRecency:      tq.Dimension == QueryRecency,
 					Priority:        priority,
+					LikeCount:       post.LikeCount,
+					ReplyCount:      post.ReplyCount,
 					PlacementScore:  computePlacementScore(post.Text, tq.ProductFitScore, tq.Dimension == QueryRecency),
 					SolvedByProduct: tq.ProductFitScore >= 55,
 					PostedAt:        strings.TrimSpace(post.PostedAt),
@@ -217,7 +223,7 @@ func RunDualTrackDiscover(ctx context.Context, input DualTrackInput, onProgress
 				return nil, err
 			}
 		}
-		if input.Member.AllowsCrawler && input.Member.DevMode && i < total-1 {
+		if input.Member.AllowsCrawler && input.Member.BrowserConnected && i < total-1 {
 			if err := politeDiscoverPause(ctx); err != nil {
 				return nil, err
 			}
@@ -244,29 +250,31 @@ func discoverForQuery(ctx context.Context, input DualTrackInput, tq TagQuery, li
 	if err == nil && len(posts) > 0 {
 		return posts, channel, nil
 	}
-	if input.Client == nil || !input.Client.Enabled() {
+	if input.WebSearch == nil || !input.WebSearch.Enabled() {
 		if err != nil {
 			return nil, "", err
 		}
-		return nil, "", fmt.Errorf("Brave 未設定且 Threads API 無結果")
+		return nil, "", fmt.Errorf("%s 未設定且 Threads API 無結果", input.Member.WebSearchProviderLabel())
 	}
-	bravePosts, berr := discoverViaBrave(ctx, input.Client, input.Member, tq.Query, limit)
-	if berr != nil {
+	webPosts, werr := discoverViaWebSearch(ctx, input.WebSearch, input.Member, tq, limit)
+	if werr != nil {
 		if err != nil {
 			return nil, "", err
 		}
-		return nil, "", berr
+		return nil, "", werr
 	}
-	return bravePosts, DiscoverBrave, nil
+	return webPosts, input.Member.WebSearchDiscoverChannel(), nil
 }
 
-func discoverViaBrave(ctx context.Context, client *libbrave.Client, member MemberContext, query string, limit int) ([]DiscoverPost, error) {
-	res, err := client.Search(ctx, libbrave.SearchOptions{
-		Query:      query,
-		Limit:      limit,
-		Mode:       libbrave.ModeThreadsDiscover,
-		Country:    member.BraveCountry,
-		SearchLang: member.BraveSearchLang,
+func discoverViaWebSearch(ctx context.Context, client websearch.Client, member MemberContext, tq TagQuery, limit int) ([]DiscoverPost, error) {
+	res, err := client.Search(ctx, websearch.SearchOptions{
+		Query:              tq.Query,
+		Limit:              limit,
+		Mode:               websearch.ModeThreadsDiscover,
+		Country:            member.BraveCountry,
+		SearchLang:         member.BraveSearchLang,
+		UserLocation:       member.ExaUserLocation,
+		StartPublishedDate: PublishedAfterForRecency(member.WebSearchProviderEnum(), tq.RecencyDays),
 	})
 	if err != nil {
 		return nil, err
@@ -274,6 +282,7 @@ func discoverViaBrave(ctx context.Context, client *libbrave.Client, member Membe
 	if res.Status != "success" || len(res.Results) == 0 {
 		return nil, nil
 	}
+	source := member.WebSearchDiscoverChannel()
 	out := make([]DiscoverPost, 0, len(res.Results))
 	for _, item := range res.Results {
 		parsed, ok := ParseThreadsPostFromWebResult(item.Title, item.Snippet, item.URL)
@@ -285,7 +294,7 @@ func discoverViaBrave(ctx context.Context, client *libbrave.Client, member Membe
 			Permalink:  parsed.Permalink,
 			ExternalID: parsed.ExternalID,
 			Author:     parsed.Author,
-			Source:     DiscoverBrave,
+			Source:     source,
 		})
 	}
 	return out, nil

haixun-backend/internal/library/placement/effective_strategy.go

@@ -0,0 +1,16 @@
+package placement
+
+import libkg "haixun-backend/internal/library/knowledge"
+
+// EffectiveExpandStrategy returns LLM when web search is required but no API key is configured.
+func EffectiveExpandStrategy(research ResearchSettings) libkg.ExpandStrategy {
+	strategy := libkg.ParseExpandStrategy(research.ExpandStrategy)
+	if strategy.RequiresWebSearch() && MissingWebSearchKey(research) {
+		return libkg.ExpandStrategyLLM
+	}
+	return strategy
+}
+
+func WebSearchAvailable(research ResearchSettings) bool {
+	return !MissingWebSearchKey(research)
+}

haixun-backend/internal/library/placement/effective_strategy_test.go

@@ -0,0 +1,38 @@
+package placement
+
+import (
+	"testing"
+
+	libkg "haixun-backend/internal/library/knowledge"
+)
+
+func TestEffectiveExpandStrategyFallsBackToLLMWithoutKey(t *testing.T) {
+	research := ResearchSettings{
+		ExpandStrategy:    string(libkg.ExpandStrategyBrave),
+		WebSearchProvider: "brave",
+		BraveAPIKey:       "",
+	}
+	if got := EffectiveExpandStrategy(research); got != libkg.ExpandStrategyLLM {
+		t.Fatalf("expected llm fallback, got %s", got)
+	}
+}
+
+func TestEffectiveExpandStrategyKeepsBraveWithKey(t *testing.T) {
+	research := ResearchSettings{
+		ExpandStrategy:    string(libkg.ExpandStrategyBrave),
+		WebSearchProvider: "brave",
+		BraveAPIKey:       "test-key",
+	}
+	if got := EffectiveExpandStrategy(research); got != libkg.ExpandStrategyBrave {
+		t.Fatalf("expected brave, got %s", got)
+	}
+}
+
+func TestWebSearchAvailable(t *testing.T) {
+	if WebSearchAvailable(ResearchSettings{WebSearchProvider: "brave"}) {
+		t.Fatal("expected unavailable without brave key")
+	}
+	if !WebSearchAvailable(ResearchSettings{WebSearchProvider: "brave", BraveAPIKey: "k"}) {
+		t.Fatal("expected available with brave key")
+	}
+}

haixun-backend/internal/library/placement/patrol_queries.go

@@ -4,12 +4,13 @@ import (
 	"strings"
 
 	libkg "haixun-backend/internal/library/knowledge"
+	"haixun-backend/internal/library/websearch"
 )
 
 const defaultPatrolProductFit = 78
 
 // CollectPatrolTagQueries builds dual-track crawl jobs from user-edited patrol keywords only.
-func CollectPatrolTagQueries(keywords []string, nodes []libkg.Node) []TagQuery {
+func CollectPatrolTagQueries(keywords []string, nodes []libkg.Node, provider websearch.Provider) []TagQuery {
 	keywords = libkg.NormalizePatrolKeywordList(keywords)
 	if len(keywords) == 0 {
 		return nil
@@ -18,7 +19,7 @@ func CollectPatrolTagQueries(keywords []string, nodes []libkg.Node) []TagQuery {
 	out := make([]TagQuery, 0, len(keywords)*3)
 	for _, tag := range keywords {
 		fit := productFitForPatrolTag(tag, nodes)
-		if q := BuildRelevanceQuery(tag); q != "" {
+		if q := BuildRelevanceQuery(provider, tag); q != "" {
 			out = append(out, TagQuery{
 				Tag:             tag,
 				Query:           q,
@@ -26,7 +27,7 @@ func CollectPatrolTagQueries(keywords []string, nodes []libkg.Node) []TagQuery {
 				ProductFitScore: fit,
 			})
 		}
-		if q7 := BuildRecencyQuery(tag, IdealMaxPostAgeDays); q7 != "" {
+		if q7 := BuildRecencyQuery(provider, tag, IdealMaxPostAgeDays); q7 != "" {
 			out = append(out, TagQuery{
 				Tag:             tag,
 				Query:           q7,
@@ -35,8 +36,8 @@ func CollectPatrolTagQueries(keywords []string, nodes []libkg.Node) []TagQuery {
 				RecencyDays:     IdealMaxPostAgeDays,
 			})
 		}
-		if q30 := BuildRecencyQuery(tag, MaxPostAgeDays); q30 != "" {
-			if q7 := BuildRecencyQuery(tag, IdealMaxPostAgeDays); q30 != q7 {
+		if q30 := BuildRecencyQuery(provider, tag, MaxPostAgeDays); q30 != "" {
+			if q7 := BuildRecencyQuery(provider, tag, IdealMaxPostAgeDays); q30 != q7 {
 				out = append(out, TagQuery{
 					Tag:             tag,
 					Query:           q30,
@@ -93,9 +94,9 @@ func patrolTagMatchKey(tag string) string {
 }
 
 // ResolveTagQueries prefers explicit patrol keywords over graph node selection.
-func ResolveTagQueries(nodes []libkg.Node, patrolKeywords []string) []TagQuery {
+func ResolveTagQueries(nodes []libkg.Node, patrolKeywords []string, provider websearch.Provider) []TagQuery {
 	if len(patrolKeywords) > 0 {
-		return CollectPatrolTagQueries(patrolKeywords, nodes)
+		return CollectPatrolTagQueries(patrolKeywords, nodes, provider)
 	}
-	return CollectTagQueries(nodes)
+	return CollectTagQueries(nodes, provider)
 }

haixun-backend/internal/library/placement/patrol_queries_test.go

@@ -4,10 +4,11 @@ import (
 	"testing"
 
 	libkg "haixun-backend/internal/library/knowledge"
+	"haixun-backend/internal/library/websearch"
 )
 
 func TestCollectPatrolTagQueriesManualOnly(t *testing.T) {
-	queries := CollectPatrolTagQueries([]string{"化療 沐浴乳"}, nil)
+	queries := CollectPatrolTagQueries([]string{"化療 沐浴乳"}, nil, websearch.ProviderBrave)
 	if len(queries) < 2 {
 		t.Fatalf("expected relevance + recency queries, got %d", len(queries))
 	}
@@ -30,7 +31,7 @@ func TestCollectPatrolTagQueriesUsesGraphFit(t *testing.T) {
 			},
 		},
 	}
-	queries := CollectPatrolTagQueries([]string{"化療 沐浴乳"}, nodes)
+	queries := CollectPatrolTagQueries([]string{"化療 沐浴乳"}, nodes, websearch.ProviderBrave)
 	if len(queries) == 0 || queries[0].ProductFitScore != 92 {
 		t.Fatalf("expected graph fit 92, got %+v", queries)
 	}
@@ -40,7 +41,7 @@ func TestResolveTagQueriesPrefersPatrolKeywords(t *testing.T) {
 	nodes := []libkg.Node{
 		{ID: "n1", Label: "ignored", SelectedForScan: true, DerivedTags: libkg.DerivedTags{Relevance: []string{"ignored"}}},
 	}
-	queries := ResolveTagQueries(nodes, []string{"手動 關鍵字"})
+	queries := ResolveTagQueries(nodes, []string{"手動 關鍵字"}, websearch.ProviderBrave)
 	if len(queries) == 0 || queries[0].Tag != "手動 關鍵字" {
 		t.Fatalf("expected patrol keyword query, got %+v", queries)
 	}

haixun-backend/internal/library/placement/query_build.go

@@ -1,8 +1,11 @@
 package placement
 
 import (
+	"fmt"
 	"strings"
 	"time"
+
+	"haixun-backend/internal/library/websearch"
 )
 
 type QueryDimension string
@@ -21,23 +24,36 @@ type TagQuery struct {
 	RecencyDays     int // 0 = no after filter; 7 or 30 for recency track
 }
 
-func BuildRelevanceQuery(tag string) string {
+func BuildRelevanceQuery(provider websearch.Provider, tag string) string {
 	tag = strings.TrimSpace(tag)
 	if tag == "" {
 		return ""
 	}
+	if websearch.ParseProvider(string(provider)) == websearch.ProviderExa {
+		return fmt.Sprintf("Threads 貼文 繁體中文 %s", tag)
+	}
 	return `site:threads.net "` + tag + `"`
 }
 
-func BuildRecencyQuery(tag string, maxAgeDays int) string {
+func BuildRecencyQuery(provider websearch.Provider, tag string, maxAgeDays int) string {
 	tag = strings.TrimSpace(tag)
 	if tag == "" {
 		return ""
 	}
+	if websearch.ParseProvider(string(provider)) == websearch.ProviderExa {
+		return fmt.Sprintf("Threads 近期貼文 繁體中文 %s", tag)
+	}
 	after := FormatAfterDate(maxAgeDays, timeNow())
 	return `site:threads.net "` + tag + `" 請問 after:` + after
 }
 
+func PublishedAfterForRecency(provider websearch.Provider, maxAgeDays int) string {
+	if maxAgeDays <= 0 || websearch.ParseProvider(string(provider)) != websearch.ProviderExa {
+		return ""
+	}
+	return FormatPublishedAfterISO(maxAgeDays, timeNow())
+}
+
 var timeNow = func() time.Time { return time.Now() }
 
 // SetTimeNowForTest overrides time source in tests.

haixun-backend/internal/library/placement/recency.go

@@ -15,3 +15,11 @@ func FormatAfterDate(maxAgeDays int, now time.Time) string {
 	date := now.AddDate(0, 0, -maxAgeDays).UTC()
 	return date.Format("2006-01-02")
 }
+
+func FormatPublishedAfterISO(maxAgeDays int, now time.Time) string {
+	if now.IsZero() {
+		now = time.Now()
+	}
+	date := now.AddDate(0, 0, -maxAgeDays).UTC()
+	return date.Format("2006-01-02T15:04:05.000Z")
+}

haixun-backend/internal/library/placement/source_mode.go

@@ -54,8 +54,8 @@ func ModeAllowsCrawler(mode SearchSourceMode) bool {
 	}
 }
 
-// MemberNeedsBraveKey reports whether placement scan should require a Brave API key.
-func MemberNeedsBraveKey(ctx MemberContext) bool {
+// MemberNeedsWebSearchKey reports whether placement scan should require a web search API key.
+func MemberNeedsWebSearchKey(ctx MemberContext) bool {
 	if !ctx.AllowsBrave || ctx.DevMode {
 		return false
 	}
@@ -69,6 +69,11 @@ func MemberNeedsBraveKey(ctx MemberContext) bool {
 	}
 }
 
+// MemberNeedsBraveKey is deprecated; use MemberNeedsWebSearchKey.
+func MemberNeedsBraveKey(ctx MemberContext) bool {
+	return MemberNeedsWebSearchKey(ctx)
+}
+
 // WithoutCrawler returns a mode that never uses Playwright, for formal API-only routing.
 func WithoutCrawler(mode SearchSourceMode) SearchSourceMode {
 	switch mode {

haixun-backend/internal/library/placement/source_mode_test.go

@@ -26,16 +26,16 @@ func TestMemberNeedsBraveKey(t *testing.T) {
 	}
 }
 
-func TestBuildMemberContextFormalModeNeverAllowsCrawler(t *testing.T) {
+func TestBuildMemberContextFormalModeRespectsSearchSource(t *testing.T) {
 	prefs := ConnectionPrefsInput{
 		DevMode:          false,
 		SearchSourceMode: string(SearchSourceMixed),
 	}
 	ctx := BuildMemberContext("t", "u", "acc", prefs, true, false, ResearchSettings{}, false, 10)
-	if ctx.AllowsCrawler {
-		t.Fatal("formal mode must not allow crawler")
+	if !ctx.AllowsCrawler {
+		t.Fatal("mixed mode should allow crawler when browser is connected")
 	}
-	if ctx.SearchSourceMode != SearchSourceThreadsBrave {
-		t.Fatalf("expected threads_brave, got %s", ctx.SearchSourceMode)
+	if ctx.SearchSourceMode != SearchSourceMixed {
+		t.Fatalf("expected mixed, got %s", ctx.SearchSourceMode)
 	}
 }

haixun-backend/internal/library/prompt/compose.go

@@ -148,6 +148,24 @@ func MatrixPlacementUser(vars map[string]string) (string, error) {
 	return renderTemplate(base, vars), nil
 }
 
+// MatrixCopySystem composes copy-mission matrix system prompt.
+func MatrixCopySystem() (string, error) {
+	base, err := Slot(KeyMatrixCopySystem)
+	if err != nil {
+		return "", err
+	}
+	return ComposeSystem(base)
+}
+
+// MatrixCopyUser renders copy matrix user prompt from template slot.
+func MatrixCopyUser(vars map[string]string) (string, error) {
+	base, err := Slot(KeyMatrixCopyUser)
+	if err != nil {
+		return "", err
+	}
+	return renderTemplate(base, vars), nil
+}
+
 // AIChatSystem composes the outgoing system prompt for console AI chat.
 func AIChatSystem(clientSystem string) (string, error) {
 	base := strings.TrimSpace(clientSystem)

haixun-backend/internal/library/prompt/files/ai.islander.system.md

@@ -44,18 +44,18 @@
 
 ## 兩條工作流（必讀，勿混淆）
 
-| 流程 | 入口 | 目的 | 關鍵實體 |
+| 工作流 | 入口 | 目的 | 關鍵實體 |
 |------|------|------|----------|
-| **A 拷貝忍者** | `/matrix` | 海巡爆款、學對標風格、產**仿寫**草稿 | 人設 + 8D 對標帳號 |
-| **B 找 TA** | `/outreach`（子步驟：研究→找TA留言） | 找痛點、productFit、產**獲客留言** | 品牌 + 人設語氣 |
+| **拷貝忍者** | `/matrix` | 海巡爆款、學對標風格、產**仿寫**草稿 | 人設 + 8D 對標帳號 |
+| **找 TA** | `/outreach`（子步驟：研究→找TA留言） | 找痛點、productFit、產**獲客留言** | 品牌 + 人設語氣 |
 
 分流規則：
-- 使用者在 `/matrix` 或問仿寫／爆款／對標 → **只談流程 A**，navigate 人設庫或拷貝忍者；**禁止** `expandKnowledgeGraph`、`startScan`、`generateOutreachReply`
-- 使用者在 `/research`、`/outreach` 或問痛點／產品置入 → **只談流程 B**；**禁止**建議 8D 對標當主要解法
-- 原創矩陣屬於流程 A 的 `/matrix`，不要在找 TA／流程 B 裡推薦或顯示 `/brand-matrix`
-- 「海巡來源模式」（search_source_mode）是 API/爬蟲管道，**不是** A/B 流程
+- 使用者在 `/matrix` 或問仿寫／爆款／對標 → **只談拷貝忍者**，navigate 人設庫或拷貝忍者；**禁止** `expandKnowledgeGraph`、`startScan`、`generateOutreachReply`
+- 使用者在 `/research`、`/outreach` 或問痛點／產品置入 → **只談找 TA**；**禁止**建議 8D 對標當主要解法
+- 原創矩陣屬於拷貝忍者的 `/matrix`，不要在找 TA 裡推薦或顯示 `/brand-matrix`
+- 「海巡來源模式」（search_source_mode）是 API/爬蟲管道，**不是**拷貝忍者／找 TA 的區分
 
-## 流程 A — 拷貝忍者
+## 拷貝忍者
 
 - 入口：`/matrix`（仿寫草稿庫 + 爆款海巡）
 - 對標與 8D：人設詳情 `/personas/:id#style-8d`
@@ -74,7 +74,7 @@
 ```
 
 
-## 流程 B — 海巡獲客（研究頁 / 獲客台）
+## 找 TA（研究頁 / 獲客台）
 
 ### 海巡研究頁（`/research`）
 - 擴展圖譜：`expandKnowledgeGraph`（`seed_query` 可省略＝用頁面種子詞；`supplemental=true` 補充痛點）

haixun-backend/internal/library/prompt/files/matrix_copy.system.md

@@ -0,0 +1,10 @@
+你是 Threads 內容矩陣策劃師，為人設帳號產出多篇可發佈草稿。
+
+規則：
+- 只回傳 JSON，格式為 {"rows":[...]}。
+- 每篇必須角度不同，避免重複 hook。
+- 套用人設語氣與 8D，不要寫成品牌廣告或硬銷。
+- 參考爆款樣本只學結構與節奏，不抄原文。
+- 繁體中文，口語自然，適合 Threads。
+- 每篇 text 主文 ≤ 500 字（Threads API 硬上限，含 #話題標籤）。
+- 爆款互動最佳 80～220 字：前 1～2 行強 hook，一句一重點；超過 300 字互動通常下降。

haixun-backend/internal/library/prompt/files/matrix_copy.user.md

@@ -0,0 +1,18 @@
+請為以下拷貝任務產出 {{count}} 篇 Threads 草稿。
+
+任務主題：{{topic_label}}
+Brief：{{topic_brief}}
+
+研究地圖：
+{{research_map_block}}
+
+已選海巡標籤：
+{{selected_tags_block}}
+
+爆款樣本（只學結構）：
+{{viral_samples_block}}
+
+人設 8D：
+{{persona_block}}
+
+回傳 JSON rows，每筆含 sort_order、search_tag、angle、hook、text、reference_notes、source_permalinks、rationale。

haixun-backend/internal/library/prompt/registry.go

@@ -25,6 +25,8 @@ const (
 	fileOutreachPlacementUser      = "files/outreach_placement.user.md"
 	fileMatrixPlacementSystem      = "files/matrix_placement.system.md"
 	fileMatrixPlacementUser        = "files/matrix_placement.user.md"
+	fileMatrixCopySystem           = "files/matrix_copy.system.md"
+	fileMatrixCopyUser             = "files/matrix_copy.user.md"
 )
 
 // Keys identify prompt slots loaded from internal/library/prompt/files/*.md.
@@ -43,6 +45,8 @@ const (
 	KeyOutreachPlacementUser      = "outreach_placement.user"
 	KeyMatrixPlacementSystem      = "matrix_placement.system"
 	KeyMatrixPlacementUser        = "matrix_placement.user"
+	KeyMatrixCopySystem           = "matrix_copy.system"
+	KeyMatrixCopyUser             = "matrix_copy.user"
 )
 
 var slotFiles = map[string]string{
@@ -59,6 +63,8 @@ var slotFiles = map[string]string{
 	KeyOutreachPlacementUser:      fileOutreachPlacementUser,
 	KeyMatrixPlacementSystem:      fileMatrixPlacementSystem,
 	KeyMatrixPlacementUser:        fileMatrixPlacementUser,
+	KeyMatrixCopySystem:           fileMatrixCopySystem,
+	KeyMatrixCopyUser:             fileMatrixCopyUser,
 }
 
 var (

haixun-backend/internal/library/style8d/prompt.go

@@ -0,0 +1,104 @@
+package style8d
+
+import (
+	"encoding/json"
+	"strings"
+)
+
+var dimensionLabels = map[string]string{
+	"d1Tone":        "D1 語氣人格",
+	"d2Structure":   "D2 結構模板",
+	"d3Interaction": "D3 互動方式",
+	"d4Topics":      "D4 主題分布",
+	"d5Rhythm":      "D5 發文節奏",
+	"d6Visual":      "D6 視覺語法",
+	"d7Conversion":  "D7 轉換方式",
+	"d8Risk":        "D8 風險紅線",
+}
+
+var dimensionOrder = []string{
+	"d1Tone", "d2Structure", "d3Interaction", "d4Topics",
+	"d5Rhythm", "d6Visual", "d7Conversion", "d8Risk",
+}
+
+// ParseStoredProfile decodes the persona.style_profile JSON blob.
+func ParseStoredProfile(raw string) (*StoredProfile, bool) {
+	raw = strings.TrimSpace(raw)
+	if raw == "" {
+		return nil, false
+	}
+	var profile StoredProfile
+	if err := json.Unmarshal([]byte(raw), &profile); err != nil {
+		return nil, false
+	}
+	if len(profile.Analysis) == 0 && strings.TrimSpace(profile.PersonaDraft) == "" {
+		return nil, false
+	}
+	return &profile, true
+}
+
+// HasReady8D returns true when 8D analysis exists and can drive copy generation.
+func HasReady8D(personaText, styleProfileJSON string) bool {
+	if profile, ok := ParseStoredProfile(styleProfileJSON); ok {
+		if strings.TrimSpace(profile.PersonaDraft) != "" {
+			return true
+		}
+		for _, key := range dimensionOrder {
+			if summary := strings.TrimSpace(profile.Analysis[key].Summary); summary != "" {
+				return true
+			}
+		}
+	}
+	return strings.TrimSpace(personaText) != "" && strings.TrimSpace(styleProfileJSON) != ""
+}
+
+// BuildStyle8DPromptBlock formats D1–D8 summaries for LLM prompts.
+func BuildStyle8DPromptBlock(styleProfileJSON string) string {
+	profile, ok := ParseStoredProfile(styleProfileJSON)
+	if !ok {
+		return ""
+	}
+	lines := make([]string, 0, len(dimensionOrder))
+	for _, key := range dimensionOrder {
+		summary := strings.TrimSpace(profile.Analysis[key].Summary)
+		if summary == "" {
+			continue
+		}
+		label := dimensionLabels[key]
+		if label == "" {
+			label = key
+		}
+		lines = append(lines, label+"："+summary)
+	}
+	if len(lines) == 0 {
+		return ""
+	}
+	var b strings.Builder
+	b.WriteString("【8D 風格策略】\n產文必須遵守：\n")
+	b.WriteString(strings.Join(lines, "\n"))
+	return b.String()
+}
+
+// ResolvePersonaBlock picks the best persona voice block for copy generation.
+// Priority: explicit persona field → 8D personaDraft → brief fallback; always append 8D strategy when present.
+func ResolvePersonaBlock(personaText, styleProfileJSON, brief string) string {
+	var parts []string
+
+	voice := strings.TrimSpace(personaText)
+	if voice == "" {
+		if profile, ok := ParseStoredProfile(styleProfileJSON); ok {
+			voice = strings.TrimSpace(profile.PersonaDraft)
+		}
+	}
+	if voice == "" {
+		voice = strings.TrimSpace(brief)
+	}
+	if voice != "" {
+		parts = append(parts, "【人設語氣】\n"+voice)
+	}
+
+	if block := BuildStyle8DPromptBlock(styleProfileJSON); block != "" {
+		parts = append(parts, block)
+	}
+	return strings.TrimSpace(strings.Join(parts, "\n\n"))
+}

haixun-backend/internal/library/style8d/prompt_test.go

@@ -0,0 +1,26 @@
+package style8d
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestResolvePersonaBlockUsesPersonaDraftWhenPersonaEmpty(t *testing.T) {
+	raw := `{"username":"demo","analysis":{"d1Tone":{"summary":"口語親近","evidence":[]}},"personaDraft":"【我是誰】\n生活觀察者"}`
+	block := ResolvePersonaBlock("", raw, "")
+	if block == "" {
+		t.Fatal("expected non-empty block")
+	}
+	for _, part := range []string{"生活觀察者", "D1 語氣人格", "口語親近"} {
+		if !strings.Contains(block, part) {
+			t.Fatalf("block missing %q: %q", part, block)
+		}
+	}
+}
+
+func TestHasReady8DFromAnalysisOnly(t *testing.T) {
+	raw := `{"analysis":{"d2Structure":{"summary":"短句開場","evidence":[]}}}`
+	if !HasReady8D("", raw) {
+		t.Fatal("expected ready from analysis summary")
+	}
+}

haixun-backend/internal/library/threadsapi/publish.go

@@ -9,15 +9,21 @@ import (
 	"net/url"
 	"strings"
 	"time"
-)
 
-const maxPublishChars = 500
+	"haixun-backend/internal/library/threadspost"
+)
 
 type PublishResult struct {
 	MediaID   string
 	Permalink string
 }
 
+type PublishTextInput struct {
+	ThreadsUserID string
+	AccessToken   string
+	Text          string
+}
+
 type PublishReplyInput struct {
 	ThreadsUserID string
 	AccessToken   string
@@ -25,6 +31,36 @@ type PublishReplyInput struct {
 	Text          string
 }
 
+// PublishText posts a new text thread via Graph API.
+func PublishText(ctx context.Context, in PublishTextInput) (*PublishResult, error) {
+	userID := strings.TrimSpace(in.ThreadsUserID)
+	token := strings.TrimSpace(in.AccessToken)
+	text := strings.TrimSpace(in.Text)
+	if userID == "" || token == "" {
+		return nil, fmt.Errorf("threads api credentials incomplete")
+	}
+	if text == "" {
+		return nil, fmt.Errorf("post text is required")
+	}
+	if err := threadspost.ValidatePublish(text); err != nil {
+		return nil, err
+	}
+
+	containerID, err := createTextContainer(ctx, userID, token, text)
+	if err != nil {
+		return nil, err
+	}
+	if err := waitForContainerReady(ctx, containerID, token); err != nil {
+		return nil, err
+	}
+	mediaID, err := publishContainer(ctx, userID, token, containerID)
+	if err != nil {
+		return nil, err
+	}
+	permalink, _ := fetchPermalink(ctx, mediaID, token)
+	return &PublishResult{MediaID: mediaID, Permalink: permalink}, nil
+}
+
 // PublishReply posts a text reply to an existing Threads media via Graph API.
 func PublishReply(ctx context.Context, in PublishReplyInput) (*PublishResult, error) {
 	userID := strings.TrimSpace(in.ThreadsUserID)
@@ -40,8 +76,8 @@ func PublishReply(ctx context.Context, in PublishReplyInput) (*PublishResult, er
 	if text == "" {
 		return nil, fmt.Errorf("reply text is required")
 	}
-	if len([]rune(text)) > maxPublishChars {
-		return nil, fmt.Errorf("reply exceeds %d characters", maxPublishChars)
+	if err := threadspost.ValidateReply(text); err != nil {
+		return nil, err
 	}
 
 	containerID, err := createReplyContainer(ctx, userID, token, replyTo, text)
@@ -59,6 +95,35 @@ func PublishReply(ctx context.Context, in PublishReplyInput) (*PublishResult, er
 	return &PublishResult{MediaID: mediaID, Permalink: permalink}, nil
 }
 
+func createTextContainer(ctx context.Context, userID, token, text string) (string, error) {
+	params := url.Values{}
+	params.Set("access_token", token)
+	params.Set("media_type", "TEXT")
+	params.Set("text", text)
+	endpoint := graphBaseURL + "/" + userID + "/threads?" + params.Encode()
+	req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint, nil)
+	if err != nil {
+		return "", err
+	}
+	body, status, err := doRequest(req)
+	if err != nil {
+		return "", err
+	}
+	if status != http.StatusOK {
+		return "", parseAPIError(body, status)
+	}
+	var payload struct {
+		ID string `json:"id"`
+	}
+	if err := json.Unmarshal(body, &payload); err != nil {
+		return "", err
+	}
+	if strings.TrimSpace(payload.ID) == "" {
+		return "", fmt.Errorf("threads api did not return container id")
+	}
+	return payload.ID, nil
+}
+
 func createReplyContainer(ctx context.Context, userID, token, replyTo, text string) (string, error) {
 	params := url.Values{}
 	params.Set("access_token", token)

haixun-backend/internal/library/threadspost/limits.go

@@ -0,0 +1,100 @@
+package threadspost
+
+import (
+	"fmt"
+	"strings"
+)
+
+// Threads Graph API text post hard limit (main post body).
+const MaxPublishRunes = 500
+
+// Threads reply/comment limit (outreach, not main post).
+const MaxReplyRunes = 1000
+
+// ViralSweetMin/Max: engagement sweet spot on Threads feed (Buffer / creator data, 2024–2026).
+const ViralSweetMin = 80
+const ViralSweetMax = 220
+
+// ViralSoftWarn: engagement tends to drop beyond this length in the main visible post.
+const ViralSoftWarn = 300
+
+type LengthBand string
+
+const (
+	BandEmpty     LengthBand = "empty"
+	BandTooShort  LengthBand = "too_short"
+	BandSweet     LengthBand = "sweet"
+	BandLong      LengthBand = "long"
+	BandOverSoft  LengthBand = "over_soft"
+	BandOverHard  LengthBand = "over_hard"
+)
+
+func RuneLen(text string) int {
+	return len([]rune(strings.TrimSpace(text)))
+}
+
+func ClampPublish(text string) string {
+	text = strings.TrimSpace(text)
+	runes := []rune(text)
+	if len(runes) > MaxPublishRunes {
+		return string(runes[:MaxPublishRunes])
+	}
+	return text
+}
+
+func PublishBand(text string) LengthBand {
+	n := RuneLen(text)
+	switch {
+	case n == 0:
+		return BandEmpty
+	case n < ViralSweetMin:
+		return BandTooShort
+	case n <= ViralSweetMax:
+		return BandSweet
+	case n <= ViralSoftWarn:
+		return BandLong
+	case n <= MaxPublishRunes:
+		return BandOverSoft
+	default:
+		return BandOverHard
+	}
+}
+
+func ValidatePublish(text string) error {
+	if strings.TrimSpace(text) == "" {
+		return fmt.Errorf("貼文內文不可為空")
+	}
+	n := RuneLen(text)
+	if n > MaxPublishRunes {
+		return fmt.Errorf("貼文超過 Threads 上限 %d 字（目前 %d 字）", MaxPublishRunes, n)
+	}
+	return nil
+}
+
+func ValidateReply(text string) error {
+	if strings.TrimSpace(text) == "" {
+		return fmt.Errorf("留言內文不可為空")
+	}
+	n := RuneLen(text)
+	if n > MaxReplyRunes {
+		return fmt.Errorf("留言超過 Threads 上限 %d 字（目前 %d 字）", MaxReplyRunes, n)
+	}
+	return nil
+}
+
+func PublishHint(text string) string {
+	switch PublishBand(text) {
+	case BandTooShort:
+		return fmt.Sprintf("偏短（爆款常見 %d～%d 字）", ViralSweetMin, ViralSweetMax)
+	case BandSweet:
+		return fmt.Sprintf("長度適中（爆款常見 %d～%d 字）", ViralSweetMin, ViralSweetMax)
+	case BandLong:
+		return fmt.Sprintf("略長（超過 %d 字互動可能下降）", ViralSoftWarn)
+	case BandOverSoft:
+		return fmt.Sprintf("接近 Threads 主文上限 %d 字", MaxPublishRunes)
+	case BandOverHard:
+		return fmt.Sprintf("超過 Threads 上限 %d 字，請縮短", MaxPublishRunes)
+	default:
+		return ""
+	}
+}

haixun-backend/internal/library/threadspost/limits_test.go

@@ -0,0 +1,49 @@
+package threadspost
+
+import "testing"
+
+func TestClampPublish(t *testing.T) {
+	var long string
+	for range MaxPublishRunes + 10 {
+		long += "字"
+	}
+	clamped := ClampPublish(long)
+	if RuneLen(clamped) != MaxPublishRunes {
+		t.Fatalf("expected %d runes, got %d", MaxPublishRunes, RuneLen(clamped))
+	}
+}
+
+func TestValidatePublish(t *testing.T) {
+	if err := ValidatePublish(""); err == nil {
+		t.Fatal("expected empty error")
+	}
+	if err := ValidatePublish(string(make([]rune, MaxPublishRunes+1))); err == nil {
+		t.Fatal("expected over-limit error")
+	}
+	if err := ValidatePublish("爆款貼文"); err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+}
+
+func TestPublishBand(t *testing.T) {
+	cases := []struct {
+		len  int
+		want LengthBand
+	}{
+		{0, BandEmpty},
+		{50, BandTooShort},
+		{120, BandSweet},
+		{250, BandLong},
+		{450, BandOverSoft},
+		{501, BandOverHard},
+	}
+	for _, c := range cases {
+		text := ""
+		for range c.len {
+			text += "字"
+		}
+		if got := PublishBand(text); got != c.want {
+			t.Fatalf("len %d: got %s want %s", c.len, got, c.want)
+		}
+	}
+}

haixun-backend/internal/library/viral/analyze_viral.go

@@ -0,0 +1,101 @@
+package viral
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+)
+
+type ViralAnalysis struct {
+	HookPattern         string   `json:"hookPattern"`
+	StructurePattern    string   `json:"structurePattern"`
+	EmotionalTrigger    string   `json:"emotionalTrigger"`
+	ReplicationStrategy string   `json:"replicationStrategy"`
+	KeyTakeaways        []string `json:"keyTakeaways"`
+}
+
+type AnalyzeViralInput struct {
+	PostText   string
+	AuthorName string
+	LikeCount  int
+	ReplyCount int
+	SearchTag  string
+	TopicLabel string
+	TopicBrief string
+	Persona    string
+}
+
+func BuildAnalyzeViralSystemPrompt() string {
+	return strings.TrimSpace(`你是 Threads 爆款結構分析師。拆解貼文為什麼會紅、怎麼仿寫結構，不要建議抄襲原文。
+
+只回傳 JSON：hookPattern, structurePattern, emotionalTrigger, replicationStrategy, keyTakeaways（字串陣列 3～5 項）。繁體中文。`)
+}
+
+func BuildAnalyzeViralUserPrompt(in AnalyzeViralInput) string {
+	var b strings.Builder
+	b.WriteString("主題：")
+	b.WriteString(strings.TrimSpace(in.TopicLabel))
+	b.WriteString("\n")
+	if brief := strings.TrimSpace(in.TopicBrief); brief != "" {
+		b.WriteString("Brief：")
+		b.WriteString(brief)
+		b.WriteString("\n")
+	}
+	if tag := strings.TrimSpace(in.SearchTag); tag != "" {
+		b.WriteString("搜尋標籤：")
+		b.WriteString(tag)
+		b.WriteString("\n")
+	}
+	author := strings.TrimSpace(in.AuthorName)
+	if author == "" {
+		author = "匿名"
+	}
+	b.WriteString(fmt.Sprintf("\n作者 @%s · %d 讚 · %d 留言\n", author, in.LikeCount, in.ReplyCount))
+	b.WriteString("\n貼文：\n")
+	b.WriteString(strings.TrimSpace(in.PostText))
+	return b.String()
+}
+
+func ParseAnalyzeViralOutput(raw string) (ViralAnalysis, error) {
+	payload, err := extractCopyMapJSON(raw)
+	if err != nil {
+		return ViralAnalysis{}, err
+	}
+	var out ViralAnalysis
+	if err := json.Unmarshal(payload, &out); err != nil {
+		return ViralAnalysis{}, fmt.Errorf("parse viral analysis: %w", err)
+	}
+	if strings.TrimSpace(out.HookPattern) == "" && strings.TrimSpace(out.StructurePattern) == "" {
+		return ViralAnalysis{}, fmt.Errorf("viral analysis missing content")
+	}
+	return out, nil
+}
+
+func FormatAnalysisForReplicate(analysis ViralAnalysis) string {
+	var b strings.Builder
+	if hook := strings.TrimSpace(analysis.HookPattern); hook != "" {
+		b.WriteString("Hook 模式：")
+		b.WriteString(hook)
+		b.WriteString("\n")
+	}
+	if structure := strings.TrimSpace(analysis.StructurePattern); structure != "" {
+		b.WriteString("結構節奏：")
+		b.WriteString(structure)
+		b.WriteString("\n")
+	}
+	if emotion := strings.TrimSpace(analysis.EmotionalTrigger); emotion != "" {
+		b.WriteString("情緒觸發：")
+		b.WriteString(emotion)
+		b.WriteString("\n")
+	}
+	if strategy := strings.TrimSpace(analysis.ReplicationStrategy); strategy != "" {
+		b.WriteString("仿寫策略：")
+		b.WriteString(strategy)
+		b.WriteString("\n")
+	}
+	if len(analysis.KeyTakeaways) > 0 {
+		b.WriteString("重點：")
+		b.WriteString(strings.Join(analysis.KeyTakeaways, "；"))
+	}
+	return strings.TrimSpace(b.String())
+}

haixun-backend/internal/library/viral/discover.go

@@ -10,16 +10,21 @@ import (
 
 const (
 	defaultLimitPerKeyword = 15
+	missionLimitPerKeyword = 10
 	maxKeywords            = 6
 	maxMergedPosts         = 60
+	missionMaxMergedPosts  = 40
+	missionQualityTarget   = 12 // stop scanning extra keywords once enough quality posts
 )
 
 type DiscoverInput struct {
-	Keywords   []string
-	Exclusions []string
-	Member     placement.MemberContext
-	Crawler    placement.CrawlerSearchFn
-	Limit      int // per keyword; 0 = default
+	Keywords    []string
+	Exclusions  []string
+	Member      placement.MemberContext
+	Crawler     placement.CrawlerSearchFn
+	Limit       int  // per keyword; 0 = default
+	MaxMerged   int  // total cap; 0 = default
+	MissionScan bool // leaner defaults to save search API quota
 }
 
 type ProgressFn func(message string, pct int)
@@ -32,26 +37,58 @@ func RunDiscover(ctx context.Context, input DiscoverInput, progress ProgressFn)
 	}
 	perKeyword := input.Limit
 	if perKeyword <= 0 {
-		perKeyword = defaultLimitPerKeyword
+		if input.MissionScan {
+			perKeyword = missionLimitPerKeyword
+		} else {
+			perKeyword = defaultLimitPerKeyword
+		}
+	}
+	maxMerged := input.MaxMerged
+	if maxMerged <= 0 {
+		if input.MissionScan {
+			maxMerged = missionMaxMergedPosts
+		} else {
+			maxMerged = maxMergedPosts
+		}
 	}
 
 	merged := map[string]placement.ScanCandidate{}
+	relaxed := map[string]placement.ScanCandidate{}
 	total := len(keywords)
+	pathLabel := input.Member.DiscoverPathLabel()
+	var lastErr error
+	keywordsAttempted := 0
+
 	for i, keyword := range keywords {
+		if input.MissionScan && countMissionQuality(merged) >= missionQualityTarget {
+			if progress != nil {
+				progress(fmt.Sprintf("已收足 %d 篇品質候選，略過剩餘標籤以節省搜尋次數", missionQualityTarget), 10+(i*70)/max(total, 1))
+			}
+			break
+		}
 		if progress != nil {
 			pct := 10 + (i*70)/total
-			progress(fmt.Sprintf("掃描關鍵字「%s」…", keyword), pct)
+			progress(fmt.Sprintf("掃描「%s」（%s）…", keyword, pathLabel), pct)
+		}
+		limit := perKeyword
+		if input.MissionScan && len(merged) > 0 {
+			limit = min(perKeyword, 8)
 		}
 		posts, _, err := placement.Discover(ctx, placement.DiscoverRequest{
 			Query:   keyword,
 			Keyword: keyword,
-			Limit:   perKeyword,
+			Limit:   limit,
 			Member:  input.Member,
 			Crawler: input.Crawler,
 		})
 		if err != nil {
-			return nil, fmt.Errorf("關鍵字「%s」：%w", keyword, err)
+			lastErr = err
+			if progress != nil {
+				progress(fmt.Sprintf("「%s」搜尋略過：%s", keyword, shortenDiscoverErr(err)), 10+(i*70)/max(total, 1))
+			}
+			continue
 		}
+		keywordsAttempted++
 		for _, post := range posts {
 			key := strings.TrimSpace(post.Permalink)
 			if key == "" {
@@ -61,13 +98,12 @@ func RunDiscover(ctx context.Context, input DiscoverInput, progress ProgressFn)
 				continue
 			}
 			score := ScorePost(post.LikeCount, post.ReplyCount)
-			if !PassesViralCandidate(post.Text, post.LikeCount, post.ReplyCount, score, input.Exclusions) {
-				continue
-			}
 			candidate := placement.ScanCandidate{
 				Permalink:       post.Permalink,
 				ExternalID:      post.ExternalID,
 				Author:          post.Author,
+				AuthorVerified:  post.AuthorVerified,
+				FollowerCount:   post.FollowerCount,
 				Text:            post.Text,
 				SearchTag:       keyword,
 				Source:          post.Source,
@@ -77,19 +113,42 @@ func RunDiscover(ctx context.Context, input DiscoverInput, progress ProgressFn)
 				PlacementScore:  score,
 				Priority:        PriorityLabel(score),
 			}
-			if prev, ok := merged[key]; !ok || candidate.EngagementScore > prev.EngagementScore {
-				merged[key] = candidate
+			if input.MissionScan {
+				if PassesMissionQualityCandidate(
+					post.Text, post.LikeCount, post.ReplyCount, score,
+					post.AuthorVerified, post.FollowerCount, input.Exclusions,
+				) {
+					mergeCandidate(merged, key, candidate)
+					continue
+				}
+				if PassesViralCandidate(post.Text, post.LikeCount, post.ReplyCount, score, input.Exclusions) {
+					mergeCandidate(relaxed, key, candidate)
+				}
+				continue
 			}
+			if !PassesViralCandidate(post.Text, post.LikeCount, post.ReplyCount, score, input.Exclusions) {
+				continue
+			}
+			mergeCandidate(merged, key, candidate)
 		}
 	}
 
-	out := make([]placement.ScanCandidate, 0, len(merged))
-	for _, item := range merged {
-		out = append(out, item)
+	if input.MissionScan && len(merged) == 0 && len(relaxed) > 0 {
+		merged = relaxed
+		if progress != nil {
+			progress("未取得藍勾等延伸資料，改以互動門檻收斂爆款候選", 82)
+		}
 	}
+
+	out := candidatesFromMap(merged)
 	sortByEngagement(out)
-	if len(out) > maxMergedPosts {
-		out = out[:maxMergedPosts]
+	if len(out) > maxMerged {
+		out = out[:maxMerged]
+	}
+	if len(out) == 0 {
+		if keywordsAttempted == 0 && lastErr != nil {
+			return nil, fmt.Errorf("所有標籤搜尋均失敗：%w", lastErr)
+		}
 	}
 	if progress != nil {
 		progress(fmt.Sprintf("合併 %d 篇爆款候選", len(out)), 85)
@@ -97,11 +156,37 @@ func RunDiscover(ctx context.Context, input DiscoverInput, progress ProgressFn)
 	return out, nil
 }
 
+func mergeCandidate(merged map[string]placement.ScanCandidate, key string, candidate placement.ScanCandidate) {
+	if prev, ok := merged[key]; !ok {
+		merged[key] = candidate
+	} else if candidate.EngagementScore > prev.EngagementScore {
+		merged[key] = MergeAuthorSignals(candidate, prev)
+	} else {
+		merged[key] = MergeAuthorSignals(prev, candidate)
+	}
+}
+
+func candidatesFromMap(merged map[string]placement.ScanCandidate) []placement.ScanCandidate {
+	out := make([]placement.ScanCandidate, 0, len(merged))
+	for _, item := range merged {
+		out = append(out, item)
+	}
+	return out
+}
+
+func shortenDiscoverErr(err error) string {
+	msg := strings.TrimSpace(err.Error())
+	if len(msg) > 80 {
+		return msg[:80] + "…"
+	}
+	return msg
+}
+
 func normalizeKeywords(raw []string) []string {
 	seen := map[string]struct{}{}
 	out := make([]string, 0, len(raw))
 	for _, item := range raw {
-		kw := strings.TrimSpace(item)
+		kw := DiscoverKeywordFromTag(item)
 		if kw == "" {
 			continue
 		}
@@ -117,6 +202,26 @@ func normalizeKeywords(raw []string) []string {
 	return out
 }
 
+func countMissionQuality(merged map[string]placement.ScanCandidate) int {
+	n := 0
+	for _, item := range merged {
+		if PassesMissionQualityCandidate(
+			item.Text, item.LikeCount, item.ReplyCount, item.EngagementScore,
+			item.AuthorVerified, item.FollowerCount, nil,
+		) {
+			n++
+		}
+	}
+	return n
+}
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}
+
 func sortByEngagement(items []placement.ScanCandidate) {
 	for i := 0; i < len(items); i++ {
 		for j := i + 1; j < len(items); j++ {

haixun-backend/internal/library/viral/discover_accounts.go

@@ -0,0 +1,205 @@
+package viral
+
+import (
+	"context"
+	"regexp"
+	"sort"
+	"strings"
+
+	"haixun-backend/internal/library/websearch"
+)
+
+const (
+	maxAccountDiscoverQueries = 2
+	MaxSimilarAccounts        = 5
+)
+
+var threadsProfileRE = regexp.MustCompile(`(?i)threads\.(?:com|net)/@([a-zA-Z0-9._]+)`)
+
+var reservedUsernames = map[string]struct{}{
+	"login": {}, "signup": {}, "search": {}, "explore": {}, "home": {},
+	"help": {}, "about": {}, "privacy": {}, "terms": {}, "settings": {},
+	"threads": {}, "thread": {}, "instagram": {}, "meta": {}, "www": {},
+}
+
+type SimilarAccount struct {
+	Username   string `json:"username"`
+	Reason     string `json:"reason"`
+	Source     string `json:"source"`
+	Confidence string `json:"confidence"`
+	ProfileURL string `json:"profileUrl"`
+}
+
+type DiscoverAccountsInput struct {
+	SeedQuery string
+	Brief     string
+	Pillars   []string
+}
+
+type accountCandidate struct {
+	username string
+	score    int
+	reason   string
+	source   string
+}
+
+func DiscoverSimilarAccounts(ctx context.Context, client websearch.Client, input DiscoverAccountsInput) ([]SimilarAccount, error) {
+	if client == nil || !client.Enabled() {
+		return nil, nil
+	}
+	seed := strings.TrimSpace(input.SeedQuery)
+	if seed == "" {
+		return nil, nil
+	}
+	queries := buildAccountDiscoverQueries(seed, input.Brief, input.Pillars)
+	if len(queries) == 0 {
+		return nil, nil
+	}
+
+	seen := map[string]accountCandidate{}
+	for _, query := range queries {
+		res, err := client.Search(ctx, websearch.SearchOptions{
+			Query: query,
+			Limit: 12,
+			Mode:  websearch.ModeThreadsDiscover,
+		})
+		if err != nil || res.Status != "success" {
+			continue
+		}
+		for _, item := range res.Results {
+			blob := strings.TrimSpace(item.URL + " " + item.Title + " " + item.Snippet)
+			for _, username := range extractUsernames(blob) {
+				weight := 2
+				if strings.Contains(strings.ToLower(item.URL), "/@"+strings.ToLower(username)) {
+					weight = 4
+				}
+				reason := strings.TrimSpace(item.Snippet)
+				if reason == "" {
+					reason = strings.TrimSpace(item.Title)
+				}
+				if reason == "" {
+					reason = "在「" + seed + "」相關搜尋結果中找到"
+				}
+				if len([]rune(reason)) > 120 {
+					reason = string([]rune(reason)[:120])
+				}
+				key := strings.ToLower(username)
+				prev, ok := seen[key]
+				if !ok || weight > prev.score {
+					seen[key] = accountCandidate{
+						username: username,
+						score:    weight,
+						reason:   reason,
+						source:   "web",
+					}
+				} else if ok {
+					prev.score += 1
+					seen[key] = prev
+				}
+			}
+		}
+	}
+
+	out := make([]accountCandidate, 0, len(seen))
+	for _, item := range seen {
+		out = append(out, item)
+	}
+	sort.Slice(out, func(i, j int) bool { return out[i].score > out[j].score })
+	if len(out) > MaxSimilarAccounts {
+		out = out[:MaxSimilarAccounts]
+	}
+
+	accounts := make([]SimilarAccount, 0, len(out))
+	for _, item := range out {
+		accounts = append(accounts, SimilarAccount{
+			Username:   item.username,
+			Reason:     item.reason,
+			Source:     item.source,
+			Confidence: accountConfidence(item.score),
+			ProfileURL: "https://www.threads.net/@" + item.username,
+		})
+	}
+	return accounts, nil
+}
+
+func buildAccountDiscoverQueries(seed, brief string, pillars []string) []string {
+	quoted := `"` + seed + `"`
+	queries := []string{
+		`site:threads.net ` + quoted,
+		`threads ` + quoted + ` 創作者`,
+	}
+	if hint := strings.TrimSpace(brief); len([]rune(hint)) >= 4 && len([]rune(hint)) <= 24 {
+		queries = append(queries, `site:threads.net `+quoted+` `+hint)
+	}
+	for _, pillar := range pillars {
+		pillar = strings.TrimSpace(pillar)
+		if len([]rune(pillar)) >= 4 && len(queries) < maxAccountDiscoverQueries+1 {
+			queries = append(queries, `site:threads.net "`+pillar+`"`)
+		}
+	}
+	unique := []string{}
+	seen := map[string]struct{}{}
+	for _, q := range queries {
+		q = strings.TrimSpace(q)
+		if q == "" {
+			continue
+		}
+		if _, ok := seen[q]; ok {
+			continue
+		}
+		seen[q] = struct{}{}
+		unique = append(unique, q)
+		if len(unique) >= maxAccountDiscoverQueries {
+			break
+		}
+	}
+	return unique
+}
+
+func extractUsernames(blob string) []string {
+	matches := threadsProfileRE.FindAllStringSubmatch(blob, -1)
+	out := []string{}
+	seen := map[string]struct{}{}
+	for _, match := range matches {
+		if len(match) < 2 {
+			continue
+		}
+		user := strings.TrimSpace(match[1])
+		if !isValidUsername(user) {
+			continue
+		}
+		key := strings.ToLower(user)
+		if _, ok := seen[key]; ok {
+			continue
+		}
+		seen[key] = struct{}{}
+		out = append(out, user)
+	}
+	return out
+}
+
+func isValidUsername(username string) bool {
+	if username == "" || len(username) < 2 || len(username) > 30 {
+		return false
+	}
+	if _, ok := reservedUsernames[strings.ToLower(username)]; ok {
+		return false
+	}
+	for _, r := range username {
+		if (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') || (r >= '0' && r <= '9') || r == '.' || r == '_' {
+			continue
+		}
+		return false
+	}
+	return true
+}
+
+func accountConfidence(score int) string {
+	if score >= 5 {
+		return "high"
+	}
+	if score >= 3 {
+		return "medium"
+	}
+	return "low"
+}

haixun-backend/internal/library/viral/discover_accounts_test.go

@@ -0,0 +1,27 @@
+package viral
+
+import "testing"
+
+func TestExtractUsernames(t *testing.T) {
+	blob := `See https://www.threads.net/@creator_one and threads.com/@creator_two/posts/abc`
+	got := extractUsernames(blob)
+	if len(got) != 2 {
+		t.Fatalf("expected 2 usernames, got %d (%v)", len(got), got)
+	}
+}
+
+func TestIsValidUsernameRejectsReserved(t *testing.T) {
+	if isValidUsername("login") {
+		t.Fatal("reserved username should be rejected")
+	}
+	if !isValidUsername("real_creator") {
+		t.Fatal("valid username rejected")
+	}
+}
+
+func TestBuildAccountDiscoverQueriesCapsAtTwo(t *testing.T) {
+	queries := buildAccountDiscoverQueries("轉職", "想找語錄", []string{"支柱A", "支柱B", "支柱C"})
+	if len(queries) > maxAccountDiscoverQueries {
+		t.Fatalf("expected at most %d queries, got %d", maxAccountDiscoverQueries, len(queries))
+	}
+}

haixun-backend/internal/library/viral/discover_budget_test.go

@@ -0,0 +1,17 @@
+package viral
+
+import (
+	"testing"
+
+	"haixun-backend/internal/library/placement"
+)
+
+func TestCountMissionQuality(t *testing.T) {
+	merged := map[string]placement.ScanCandidate{
+		"a": {Text: "轉職技巧分享", LikeCount: 25, ReplyCount: 4, EngagementScore: 65},
+		"b": {Text: "轉職", LikeCount: 3, ReplyCount: 0, EngagementScore: 8},
+	}
+	if got := countMissionQuality(merged); got != 1 {
+		t.Fatalf("expected 1 quality post, got %d", got)
+	}
+}

haixun-backend/internal/library/viral/discover_graceful_test.go

@@ -0,0 +1,72 @@
+package viral
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"haixun-backend/internal/library/placement"
+)
+
+func TestRunDiscover_skipsFailedKeyword(t *testing.T) {
+	calls := 0
+	crawler := func(ctx context.Context, m placement.MemberContext, keyword string, limit int) ([]placement.DiscoverPost, error) {
+		calls++
+		if keyword == "bad" {
+			return nil, errors.New("api timeout")
+		}
+		return []placement.DiscoverPost{{
+			Text: "轉職面試技巧分享心得", Author: "ok_user", LikeCount: 30, ReplyCount: 4,
+			Permalink: "https://www.threads.net/@ok_user/post/1", Source: placement.DiscoverCrawler,
+		}}, nil
+	}
+	member := placement.MemberContext{
+		AllowsCrawler:    true,
+		BrowserConnected: true,
+		SearchSourceMode: placement.SearchSourceCrawler,
+	}
+	out, err := RunDiscover(context.Background(), DiscoverInput{
+		Keywords:    []string{"bad", "轉職"},
+		Member:      member,
+		Crawler:     crawler,
+		MissionScan: true,
+	}, nil)
+	if err != nil {
+		t.Fatalf("expected partial success, got err: %v", err)
+	}
+	if len(out) != 1 {
+		t.Fatalf("expected 1 candidate, got %d", len(out))
+	}
+	if calls != 2 {
+		t.Fatalf("expected 2 keyword attempts, got %d", calls)
+	}
+}
+
+func TestRunDiscover_missionRelaxedFallbackWithoutVerified(t *testing.T) {
+	crawler := func(ctx context.Context, m placement.MemberContext, keyword string, limit int) ([]placement.DiscoverPost, error) {
+		return []placement.DiscoverPost{{
+			Text: "轉職心得分享", Author: "plain_user", LikeCount: 12, ReplyCount: 2,
+			Permalink: "https://www.threads.net/@plain_user/post/2", Source: placement.DiscoverThreadsAPI,
+		}}, nil
+	}
+	member := placement.MemberContext{
+		AllowsCrawler:    true,
+		BrowserConnected: true,
+		SearchSourceMode: placement.SearchSourceCrawler,
+	}
+	out, err := RunDiscover(context.Background(), DiscoverInput{
+		Keywords:    []string{"轉職"},
+		Member:      member,
+		Crawler:     crawler,
+		MissionScan: true,
+	}, nil)
+	if err != nil {
+		t.Fatalf("unexpected err: %v", err)
+	}
+	if len(out) != 1 {
+		t.Fatalf("expected relaxed fallback candidate, got %d", len(out))
+	}
+	if out[0].AuthorVerified {
+		t.Fatal("verified should remain false when API omits it")
+	}
+}

haixun-backend/internal/library/viral/enrich_accounts.go

@@ -0,0 +1,128 @@
+package viral
+
+import (
+	"sort"
+	"strings"
+
+	"haixun-backend/internal/library/placement"
+	missionentity "haixun-backend/internal/model/copy_mission/domain/entity"
+)
+
+func EnrichSimilarAccounts(existing []missionentity.SimilarAccount, posts []placement.ScanCandidate, limit int) []missionentity.SimilarAccount {
+	if limit <= 0 {
+		limit = MaxSimilarAccounts
+	}
+	byUser := map[string]missionentity.SimilarAccount{}
+	order := []string{}
+	for _, item := range existing {
+		user := strings.ToLower(strings.TrimSpace(item.Username))
+		if user == "" {
+			continue
+		}
+		if _, ok := byUser[user]; !ok {
+			order = append(order, user)
+		}
+		byUser[user] = item
+	}
+
+	type authorScore struct {
+		username string
+		score    int
+		text     string
+	}
+	authors := map[string]authorScore{}
+	for _, post := range posts {
+		user := strings.TrimSpace(post.Author)
+		if user == "" || !isValidUsername(user) {
+			continue
+		}
+		key := strings.ToLower(user)
+		prev := authors[key]
+		prev.username = user
+		prev.score += post.EngagementScore
+		if prev.text == "" && strings.TrimSpace(post.Text) != "" {
+			prev.text = strings.TrimSpace(post.Text)
+		}
+		authors[key] = prev
+	}
+	ranked := make([]authorScore, 0, len(authors))
+	for _, item := range authors {
+		ranked = append(ranked, item)
+	}
+	sort.Slice(ranked, func(i, j int) bool { return ranked[i].score > ranked[j].score })
+
+	for _, item := range ranked {
+		key := strings.ToLower(item.username)
+		if _, ok := byUser[key]; ok {
+			continue
+		}
+		reason := "本次海巡高互動作者"
+		if item.text != "" {
+			runes := []rune(item.text)
+			if len(runes) > 80 {
+				reason = string(runes[:80])
+			} else {
+				reason = item.text
+			}
+		}
+		conf := "medium"
+		if item.score >= 200 {
+			conf = "high"
+		}
+		byUser[key] = missionentity.SimilarAccount{
+			Username:   item.username,
+			Reason:     reason,
+			Source:     "scan",
+			Confidence: conf,
+			ProfileURL: "https://www.threads.net/@" + item.username,
+		}
+		order = append(order, key)
+	}
+
+	out := make([]missionentity.SimilarAccount, 0, len(order))
+	for _, key := range order {
+		if acc, ok := byUser[key]; ok {
+			out = append(out, acc)
+		}
+	}
+	if len(out) > limit {
+		out = out[:limit]
+	}
+	return out
+}
+
+func AccountTagsFromSimilar(accounts []missionentity.SimilarAccount, max int) []SuggestedTag {
+	if max <= 0 {
+		max = 2
+	}
+	out := []SuggestedTag{}
+	for _, acc := range accounts {
+		user := strings.TrimSpace(acc.Username)
+		if user == "" {
+			continue
+		}
+		out = append(out, SuggestedTag{
+			Tag:        "@" + user,
+			Reason:     acc.Reason,
+			SearchType: "帳號",
+		})
+		if len(out) >= max {
+			break
+		}
+	}
+	return out
+}
+
+func ToEntitySimilarAccounts(items []SimilarAccount) []missionentity.SimilarAccount {
+	out := make([]missionentity.SimilarAccount, 0, len(items))
+	for _, item := range items {
+		out = append(out, missionentity.SimilarAccount{
+			Username:   item.Username,
+			Reason:     item.Reason,
+			Source:     item.Source,
+			Confidence: item.Confidence,
+			ProfileURL: item.ProfileURL,
+		})
+	}
+	return out
+}

haixun-backend/internal/library/viral/flexible_json.go

@@ -0,0 +1,141 @@
+package viral
+
+import (
+	"encoding/json"
+	"strings"
+)
+
+func firstJSONString(obj map[string]json.RawMessage, keys ...string) string {
+	for _, key := range keys {
+		raw, ok := obj[key]
+		if !ok {
+			continue
+		}
+		var value string
+		if err := json.Unmarshal(raw, &value); err == nil {
+			if trimmed := strings.TrimSpace(value); trimmed != "" {
+				return trimmed
+			}
+		}
+	}
+	return ""
+}
+
+func flexibleStringFromItem(raw json.RawMessage) string {
+	if len(raw) == 0 {
+		return ""
+	}
+	var value string
+	if err := json.Unmarshal(raw, &value); err == nil {
+		return strings.TrimSpace(value)
+	}
+	var obj map[string]json.RawMessage
+	if err := json.Unmarshal(raw, &obj); err != nil {
+		return ""
+	}
+	if line := firstJSONString(obj, "title", "name", "label", "pillar", "tag", "text", "summary", "description", "value", "content"); line != "" {
+		return line
+	}
+	parts := []string{}
+	for _, key := range []string{"title", "name", "label"} {
+		if part := firstJSONString(obj, key); part != "" {
+			parts = append(parts, part)
+			break
+		}
+	}
+	if detail := firstJSONString(obj, "description", "summary", "detail", "reason"); detail != "" {
+		parts = append(parts, detail)
+	}
+	return strings.TrimSpace(strings.Join(parts, "："))
+}
+
+func parseFlexibleStringList(raw json.RawMessage) []string {
+	if len(raw) == 0 || string(raw) == "null" {
+		return nil
+	}
+	var items []string
+	if err := json.Unmarshal(raw, &items); err == nil {
+		return cleanLines(items)
+	}
+	var single string
+	if err := json.Unmarshal(raw, &single); err == nil && strings.TrimSpace(single) != "" {
+		return cleanLines([]string{single})
+	}
+	var arr []json.RawMessage
+	if err := json.Unmarshal(raw, &arr); err != nil {
+		return nil
+	}
+	out := make([]string, 0, len(arr))
+	for _, item := range arr {
+		if line := flexibleStringFromItem(item); line != "" {
+			out = append(out, line)
+		}
+	}
+	return cleanLines(out)
+}
+
+func parseFlexibleSuggestedTags(raw json.RawMessage) []SuggestedTag {
+	if len(raw) == 0 || string(raw) == "null" {
+		return nil
+	}
+	var tags []SuggestedTag
+	if err := json.Unmarshal(raw, &tags); err == nil && len(tags) > 0 {
+		return cleanSuggestedTags(tags)
+	}
+	var strs []string
+	if err := json.Unmarshal(raw, &strs); err == nil {
+		out := make([]SuggestedTag, 0, len(strs))
+		for _, item := range strs {
+			item = strings.TrimSpace(item)
+			if item != "" {
+				out = append(out, SuggestedTag{Tag: item})
+			}
+		}
+		return cleanSuggestedTags(out)
+	}
+	var arr []json.RawMessage
+	if err := json.Unmarshal(raw, &arr); err != nil {
+		return nil
+	}
+	out := make([]SuggestedTag, 0, len(arr))
+	for _, item := range arr {
+		if tag := decodeSuggestedTagItem(item); tag.Tag != "" {
+			out = append(out, tag)
+		}
+	}
+	return cleanSuggestedTags(out)
+}
+
+func decodeSuggestedTagItem(raw json.RawMessage) SuggestedTag {
+	var tag SuggestedTag
+	if err := json.Unmarshal(raw, &tag); err == nil && strings.TrimSpace(tag.Tag) != "" {
+		return tag
+	}
+	var snake struct {
+		Tag          string `json:"tag"`
+		Reason       string `json:"reason"`
+		SearchIntent string `json:"search_intent"`
+		SearchType   string `json:"search_type"`
+	}
+	if err := json.Unmarshal(raw, &snake); err == nil && strings.TrimSpace(snake.Tag) != "" {
+		return SuggestedTag{
+			Tag:          strings.TrimSpace(snake.Tag),
+			Reason:       strings.TrimSpace(snake.Reason),
+			SearchIntent: strings.TrimSpace(snake.SearchIntent),
+			SearchType:   strings.TrimSpace(snake.SearchType),
+		}
+	}
+	if line := flexibleStringFromItem(raw); line != "" {
+		return SuggestedTag{Tag: line}
+	}
+	return SuggestedTag{}
+}
+
+func pickRawMessage(root map[string]json.RawMessage, keys ...string) json.RawMessage {
+	for _, key := range keys {
+		if raw, ok := root[key]; ok && len(raw) > 0 && string(raw) != "null" {
+			return raw
+		}
+	}
+	return nil
+}

haixun-backend/internal/library/viral/mission_inspire.go

@@ -0,0 +1,178 @@
+package viral
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+)
+
+type MissionInspireInput struct {
+	PersonaDisplayName   string
+	PersonaBrief         string
+	PersonaBlock         string
+	StyleBenchmark       string
+	PersonaAudience      string
+	PersonaContentGoal   string
+	PersonaQuestions     []string
+	PersonaPillars       []string
+	RecentMissionLabels  []string
+	RecentSeedQueries    []string
+	TrendSnippets        []MissionInspireTrendSnippet
+	WebSearchProvider    string
+	LLMOnly              bool
+}
+
+type MissionInspireTrendSnippet struct {
+	Query   string
+	Title   string
+	Snippet string
+	URL     string
+}
+
+type MissionInspireOutput struct {
+	Label          string
+	SeedQuery      string
+	Brief          string
+	TrendReason    string
+	TrendKeywords  []string
+}
+
+func BuildMissionInspireSystemPrompt() string {
+	return strings.TrimSpace(`你是 Threads 拷貝忍者的「靈感骰子」顧問。根據近期網路熱搜、Google Trends 類訊號與創作者人設，產出一組**全新**拷貝任務草稿。
+
+規則：
+1. 若【近期趨勢訊號】有內容，從中挑一個適合在 Threads 海巡的方向；不要編造不存在的時事
+2. 若趨勢訊號為空（未連線網路搜尋），**必須**改依人設、受眾痛點與常見 Threads 討論型態推測「近期可能被搜尋」的話題，並在 trendReason 說明推測理由（不要假裝有外部熱搜來源）
+3. label：任務名稱，6～18 字，像企劃案標題，不要標點堆疊
+4. seedQuery：種子關鍵字／近期熱詞，2～6 個詞用頓號或空格分隔，適合當 Threads 搜尋起點
+5. brief：這次想找什麼，2～4 句，說明要海巡哪類爆款、語氣或格式偏好
+6. trendReason：1～2 句，為何選這個趨勢（可引用訊號來源大意，不要貼 URL）
+7. trendKeywords：3～6 個相關熱詞（字串陣列）
+8. 避開【近期已做過的任務】相同題材
+9. 繁體中文；只回傳 JSON：
+{"label":"","seedQuery":"","brief":"","trendReason":"","trendKeywords":[]}`)
+}
+
+func BuildMissionInspireUserPrompt(in MissionInspireInput) string {
+	var b strings.Builder
+	if name := strings.TrimSpace(in.PersonaDisplayName); name != "" {
+		b.WriteString("【人設名稱】")
+		b.WriteString(name)
+		b.WriteString("\n")
+	}
+	if p := strings.TrimSpace(in.PersonaBlock); p != "" {
+		b.WriteString("【人設摘要】\n")
+		b.WriteString(p)
+		b.WriteString("\n")
+	}
+	if bench := strings.TrimSpace(in.StyleBenchmark); bench != "" {
+		b.WriteString("【對標帳號】@")
+		b.WriteString(strings.TrimPrefix(bench, "@"))
+		b.WriteString("\n")
+	}
+	if aud := strings.TrimSpace(in.PersonaAudience); aud != "" {
+		b.WriteString("【受眾方向】")
+		b.WriteString(aud)
+		b.WriteString("\n")
+	}
+	if goal := strings.TrimSpace(in.PersonaContentGoal); goal != "" {
+		b.WriteString("【內容目標】")
+		b.WriteString(goal)
+		b.WriteString("\n")
+	}
+	if len(in.PersonaPillars) > 0 {
+		b.WriteString("【內容支柱】")
+		b.WriteString(strings.Join(in.PersonaPillars, "、"))
+		b.WriteString("\n")
+	}
+	if len(in.RecentMissionLabels) > 0 || len(in.RecentSeedQueries) > 0 {
+		b.WriteString("【近期已做過的任務（請避開）】\n")
+		for _, label := range in.RecentMissionLabels {
+			if label = strings.TrimSpace(label); label != "" {
+				b.WriteString("- ")
+				b.WriteString(label)
+				b.WriteString("\n")
+			}
+		}
+		for _, seed := range in.RecentSeedQueries {
+			if seed = strings.TrimSpace(seed); seed != "" {
+				b.WriteString("- 種子：")
+				b.WriteString(seed)
+				b.WriteString("\n")
+			}
+		}
+	}
+	if in.LLMOnly {
+		b.WriteString("【模式】未設定 Web Search API key，請純依人設與受眾推測靈感（勿假裝有 Google 熱搜）\n")
+	} else if provider := strings.TrimSpace(in.WebSearchProvider); provider != "" {
+		b.WriteString("【趨勢來源】")
+		b.WriteString(provider)
+		b.WriteString(" 網路搜尋\n")
+	}
+	b.WriteString("【近期趨勢訊號】\n")
+	if len(in.TrendSnippets) == 0 {
+		b.WriteString("（無外部趨勢結果，請改用人設推測近期 Threads 可能熱議方向）\n")
+	} else {
+		for i, item := range in.TrendSnippets {
+			b.WriteString(fmt.Sprintf("[%d] 查詢：%s\n", i+1, strings.TrimSpace(item.Query)))
+			if title := strings.TrimSpace(item.Title); title != "" {
+				b.WriteString("標題：")
+				b.WriteString(title)
+				b.WriteString("\n")
+			}
+			if snippet := strings.TrimSpace(item.Snippet); snippet != "" {
+				b.WriteString(snippet)
+				b.WriteString("\n")
+			}
+			b.WriteString("\n")
+		}
+	}
+	b.WriteString("請產出拷貝任務靈感 JSON。")
+	return b.String()
+}
+
+func InspireTrendSearchQueries(personaBrief, styleBenchmark string) []string {
+	queries := []string{
+		"Google Trends 台灣 今日 熱門搜尋 關鍵字",
+		"Threads 台灣 熱門 話題 最近 一週",
+		"近期 網路 熱搜 關鍵字 台灣",
+	}
+	context := strings.TrimSpace(personaBrief + " " + styleBenchmark)
+	if context != "" {
+		trimmed := context
+		if len([]rune(trimmed)) > 24 {
+			trimmed = string([]rune(trimmed)[:24])
+		}
+		queries = append(queries, trimmed+" 熱門 話題 最近")
+	}
+	return queries
+}
+
+func ParseMissionInspireOutput(raw string) (MissionInspireOutput, error) {
+	payload, err := extractCopyMapJSON(raw)
+	if err != nil {
+		return MissionInspireOutput{}, err
+	}
+	var root map[string]json.RawMessage
+	if err := json.Unmarshal(payload, &root); err != nil {
+		return MissionInspireOutput{}, err
+	}
+	out := MissionInspireOutput{
+		Label:       firstJSONString(root, "label", "title", "mission_label"),
+		SeedQuery:   firstJSONString(root, "seedQuery", "seed_query", "seed", "keywords"),
+		Brief:       firstJSONString(root, "brief", "description", "goal"),
+		TrendReason: firstJSONString(root, "trendReason", "trend_reason", "reason"),
+	}
+	if out.Label == "" || out.SeedQuery == "" || out.Brief == "" {
+		return MissionInspireOutput{}, fmt.Errorf("missing label, seedQuery, or brief")
+	}
+	if rawKW, ok := root["trendKeywords"]; ok {
+		out.TrendKeywords = parseFlexibleStringList(rawKW)
+	}
+	if len(out.TrendKeywords) == 0 {
+		if rawKW, ok := root["trend_keywords"]; ok {
+			out.TrendKeywords = parseFlexibleStringList(rawKW)
+		}
+	}
+	return out, nil
+}

haixun-backend/internal/library/viral/mission_inspire_collect.go

@@ -0,0 +1,66 @@
+package viral
+
+import (
+	"context"
+	"strings"
+	"time"
+
+	"haixun-backend/internal/library/placement"
+	"haixun-backend/internal/library/websearch"
+)
+
+const maxInspireTrendSnippets = 14
+
+func CollectMissionInspireTrends(
+	ctx context.Context,
+	client websearch.Client,
+	member placement.MemberContext,
+	personaBrief, styleBenchmark string,
+) []MissionInspireTrendSnippet {
+	if client == nil || !client.Enabled() {
+		return nil
+	}
+	queries := InspireTrendSearchQueries(personaBrief, styleBenchmark)
+	out := make([]MissionInspireTrendSnippet, 0, maxInspireTrendSnippets)
+	seen := map[string]struct{}{}
+
+	for _, query := range queries {
+		if len(out) >= maxInspireTrendSnippets {
+			break
+		}
+		res, err := client.Search(ctx, websearch.SearchOptions{
+			Query:              query,
+			Limit:              5,
+			Mode:               websearch.ModeKnowledgeExpand,
+			Country:            member.BraveCountry,
+			SearchLang:         member.BraveSearchLang,
+			UserLocation:       member.ExaUserLocation,
+			StartPublishedDate: placement.FormatPublishedAfterISO(7, time.Now().UTC()),
+		})
+		if err != nil || res.Status != "success" || len(res.Results) == 0 {
+			continue
+		}
+		for _, item := range res.Results {
+			if len(out) >= maxInspireTrendSnippets {
+				break
+			}
+			title := strings.TrimSpace(item.Title)
+			snippet := strings.TrimSpace(item.Snippet)
+			if title == "" && snippet == "" {
+				continue
+			}
+			key := strings.ToLower(title + "|" + snippet)
+			if _, ok := seen[key]; ok {
+				continue
+			}
+			seen[key] = struct{}{}
+			out = append(out, MissionInspireTrendSnippet{
+				Query:   query,
+				Title:   title,
+				Snippet: snippet,
+				URL:     strings.TrimSpace(item.URL),
+			})
+		}
+	}
+	return out
+}

haixun-backend/internal/library/viral/mission_inspire_test.go

@@ -0,0 +1,34 @@
+package viral
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestParseMissionInspireOutput(t *testing.T) {
+	raw := `{"label":"轉職焦慮語錄","seedQuery":"轉職 被裁 焦慮","brief":"想找最近 Threads 上互動高的轉職心情貼文。","trendReason":"Google 熱搜近期職場話題升溫","trendKeywords":["轉職","裁員","面試"]}`
+	out, err := ParseMissionInspireOutput(raw)
+	if err != nil {
+		t.Fatalf("parse: %v", err)
+	}
+	if out.Label != "轉職焦慮語錄" || out.SeedQuery == "" || out.Brief == "" {
+		t.Fatalf("unexpected output: %+v", out)
+	}
+	if len(out.TrendKeywords) != 3 {
+		t.Fatalf("expected 3 trend keywords, got %d", len(out.TrendKeywords))
+	}
+}
+
+func TestBuildMissionInspireUserPromptLLMOnly(t *testing.T) {
+	prompt := BuildMissionInspireUserPrompt(MissionInspireInput{
+		PersonaDisplayName: "測試人設",
+		PersonaBrief:         "職場焦慮",
+		LLMOnly:              true,
+	})
+	if !strings.Contains(prompt, "未設定 Web Search API key") {
+		t.Fatalf("expected llm-only hint in prompt: %s", prompt)
+	}
+	if !strings.Contains(prompt, "無外部趨勢結果") {
+		t.Fatalf("expected empty trend fallback in prompt: %s", prompt)
+	}
+}

haixun-backend/internal/library/viral/mission_research_map.go

@@ -0,0 +1,143 @@
+package viral
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+)
+
+// MissionResearchMap is the structured copy-mission research map (single LLM call).
+type MissionResearchMap struct {
+	AudienceSummary string         `json:"audienceSummary"`
+	ContentGoal     string         `json:"contentGoal"`
+	Questions       []string       `json:"questions"`
+	Pillars         []string       `json:"pillars"`
+	Exclusions      []string       `json:"exclusions"`
+	SuggestedTags   []SuggestedTag `json:"suggestedTags"`
+	BenchmarkNotes  string         `json:"benchmarkNotes"`
+}
+
+func BuildMissionResearchMapSystemPrompt() string {
+	return strings.TrimSpace(`你是 Threads 爆款／對標研究顧問。目標：幫創作者找到「近期熱門、高互動、值得仿寫」的話題與搜尋方向。
+
+規則：
+1. audienceSummary：必填，2～4 句描述「受眾是誰」（年齡／情境／痛點／會在 Threads 搜什麼），不要只寫人設本人
+2. 聚焦「最近會在 Threads 被搜、被討論」的話題，不要寫成學術報告
+3. contentGoal：找到近期互動佳、結構可模仿的爆款貼文
+4. pillars：可模仿方向（語錄型、故事型、清單型等），至少 4 個；**必須是字串陣列**，不要用 {title:...} 物件
+5. questions：受眾會搜的短問題，5+ 個；字串陣列
+6. exclusions：不要模仿的內容，至少 4 個；字串陣列
+7. suggestedTags：6～8 個「像真人會在 Threads 搜尋框打的字」
+   - 每個含 tag, reason, searchIntent（痛點|知識|經驗|對比|工具|語錄）, searchType（短詞|情境|語錄）
+   - tag 2～10 字，不要標點、不要完整句子、不要像文章標題
+8. benchmarkNotes：怎樣算值得仿的爆款（互動、hook 清楚）
+9. 繁體中文；只回傳 JSON（含 audienceSummary）`)
+}
+
+func BuildMissionResearchMapUserPrompt(in CopyResearchMapInput) string {
+	var b strings.Builder
+	b.WriteString("【任務名稱】")
+	b.WriteString(strings.TrimSpace(in.Label))
+	b.WriteString("\n【種子關鍵字／近期熱詞】")
+	b.WriteString(strings.TrimSpace(in.SeedQuery))
+	b.WriteString("\n【這次想找什麼】\n")
+	b.WriteString(strings.TrimSpace(in.Brief))
+	if p := strings.TrimSpace(in.Persona); p != "" {
+		b.WriteString("\n【我的人設（仿寫時會套用，地圖請對準受眾與話題，不要只寫我自己）】\n")
+		b.WriteString(p)
+	}
+	if bench := strings.TrimSpace(in.StyleBenchmark); bench != "" {
+		b.WriteString("\n【長期對標帳號參考】@")
+		b.WriteString(strings.TrimPrefix(bench, "@"))
+		b.WriteString("\n")
+	}
+	if aud := strings.TrimSpace(in.PersonaAudienceSummary); aud != "" {
+		b.WriteString("\n【人設層級受眾研究（請延伸為本次任務受眾，勿只複製）】\n")
+		b.WriteString(aud)
+		if goal := strings.TrimSpace(in.PersonaContentGoal); goal != "" {
+			b.WriteString("\n內容目標參考：")
+			b.WriteString(goal)
+		}
+		if len(in.PersonaQuestions) > 0 {
+			b.WriteString("\n受眾提問參考：")
+			b.WriteString(strings.Join(in.PersonaQuestions, "、"))
+		}
+		if len(in.PersonaPillars) > 0 {
+			b.WriteString("\n內容支柱參考：")
+			b.WriteString(strings.Join(in.PersonaPillars, "、"))
+		}
+		b.WriteString("\n")
+	}
+	b.WriteString("\n請產出拷貝任務研究地圖 JSON（必填 audienceSummary 與 suggestedTags 陣列）。")
+	return b.String()
+}
+
+func ParseMissionResearchMapOutput(raw string) (MissionResearchMap, error) {
+	payload, err := extractCopyMapJSON(raw)
+	if err != nil {
+		return MissionResearchMap{}, err
+	}
+	var root map[string]json.RawMessage
+	if err := json.Unmarshal(payload, &root); err != nil {
+		return MissionResearchMap{}, fmt.Errorf("parse mission research map: %w", err)
+	}
+	out := MissionResearchMap{
+		AudienceSummary: firstJSONString(root, "audienceSummary", "audience_summary"),
+		ContentGoal:     firstJSONString(root, "contentGoal", "content_goal"),
+		BenchmarkNotes:  firstJSONString(root, "benchmarkNotes", "benchmark_notes"),
+		Questions:       parseFlexibleStringList(pickRawMessage(root, "questions")),
+		Pillars:         parseFlexibleStringList(pickRawMessage(root, "pillars")),
+		Exclusions:      parseFlexibleStringList(pickRawMessage(root, "exclusions")),
+		SuggestedTags:   parseFlexibleSuggestedTags(pickRawMessage(root, "suggestedTags", "suggested_tags")),
+	}
+	if strings.TrimSpace(out.AudienceSummary) == "" {
+		return MissionResearchMap{}, fmt.Errorf("mission research map missing audienceSummary")
+	}
+	if len(out.SuggestedTags) < 4 {
+		return MissionResearchMap{}, fmt.Errorf("mission research map needs at least 4 suggested tags")
+	}
+	return out, nil
+}
+
+func cleanSuggestedTags(tags []SuggestedTag) []SuggestedTag {
+	out := []SuggestedTag{}
+	seen := map[string]struct{}{}
+	for _, item := range tags {
+		tag := strings.TrimSpace(item.Tag)
+		if tag == "" {
+			continue
+		}
+		if _, ok := seen[tag]; ok {
+			continue
+		}
+		seen[tag] = struct{}{}
+		out = append(out, SuggestedTag{
+			Tag:          tag,
+			Reason:       strings.TrimSpace(item.Reason),
+			SearchIntent: strings.TrimSpace(item.SearchIntent),
+			SearchType:   strings.TrimSpace(item.SearchType),
+		})
+	}
+	return out
+}
+
+func ToEntityMissionResearchMap(m MissionResearchMap) map[string]any {
+	tags := make([]map[string]any, 0, len(m.SuggestedTags))
+	for _, item := range m.SuggestedTags {
+		tags = append(tags, map[string]any{
+			"tag":           item.Tag,
+			"reason":        item.Reason,
+			"search_intent": item.SearchIntent,
+			"search_type":   item.SearchType,
+		})
+	}
+	return map[string]any{
+		"audience_summary": m.AudienceSummary,
+		"content_goal":     m.ContentGoal,
+		"questions":        m.Questions,
+		"pillars":          m.Pillars,
+		"exclusions":       m.Exclusions,
+		"suggested_tags":   tags,
+		"benchmark_notes":  m.BenchmarkNotes,
+	}
+}

haixun-backend/internal/library/viral/mission_research_map_test.go

@@ -0,0 +1,55 @@
+package viral
+
+import "testing"
+
+func TestParseMissionResearchMapOutput_ObjectPillars(t *testing.T) {
+	raw := `{
+  "audienceSummary": "轉職焦慮的上班族",
+  "contentGoal": "找近期高互動轉職心情貼文",
+  "questions": ["轉職會後悔嗎", "被裁怎麼辦"],
+  "pillars": [
+    {"title": "語錄型", "description": "一句話戳中焦慮"},
+    {"title": "故事型", "description": "親身轉職經驗"}
+  ],
+  "exclusions": ["純業配", "無結構閒聊"],
+  "suggestedTags": [
+    {"tag": "轉職焦慮", "reason": "近期熱詞", "searchIntent": "痛點", "searchType": "短詞"},
+    {"tag": "被裁", "reason": "高互動", "searchIntent": "痛點", "searchType": "短詞"},
+    {"tag": "面試失敗", "reason": "共鳴", "searchIntent": "經驗", "searchType": "情境"},
+    {"tag": "裸辭", "reason": "討論多", "searchIntent": "語錄", "searchType": "短詞"}
+  ],
+  "benchmarkNotes": "互動高且 hook 清楚"
+}`
+	out, err := ParseMissionResearchMapOutput(raw)
+	if err != nil {
+		t.Fatalf("ParseMissionResearchMapOutput: %v", err)
+	}
+	if len(out.Pillars) < 2 {
+		t.Fatalf("expected parsed pillars, got %#v", out.Pillars)
+	}
+	if out.Pillars[0] == "" {
+		t.Fatal("first pillar should not be empty")
+	}
+	if len(out.SuggestedTags) < 4 {
+		t.Fatalf("expected suggested tags, got %#v", out.SuggestedTags)
+	}
+}
+
+func TestParseMissionResearchMapOutput_StringSuggestedTags(t *testing.T) {
+	raw := `{
+  "audienceSummary": "新手媽媽",
+  "contentGoal": "找育兒爆款",
+  "questions": ["哄睡", "副食品"],
+  "pillars": ["清單型", "故事型", "語錄型", "問答型"],
+  "exclusions": ["業配", "晒娃", "無重點", "抄襲"],
+  "suggestedTags": ["哄睡", "副食品", "崩潰", "育兒"],
+  "benchmarkNotes": "留言多"
+}`
+	out, err := ParseMissionResearchMapOutput(raw)
+	if err != nil {
+		t.Fatalf("ParseMissionResearchMapOutput: %v", err)
+	}
+	if len(out.SuggestedTags) != 4 {
+		t.Fatalf("expected 4 tags, got %#v", out.SuggestedTags)
+	}
+}

haixun-backend/internal/library/viral/quality.go

@@ -0,0 +1,39 @@
+package viral
+
+import "haixun-backend/internal/library/placement"
+
+// Mission-quality gates for copy-mission viral patrol (stricter than generic patrol).
+const (
+	MissionQualityMinLikes       = 18
+	MissionQualityMinEngagement  = 50
+	MissionVerifiedMinLikes      = 10
+	MissionVerifiedMinEngagement = 35
+	MissionInfluencerMinFollowers = 5000
+)
+
+// PassesMissionQualityCandidate filters copy-mission scan results toward higher-signal posts.
+// AuthorVerified and FollowerCount are optional enrichments (often missing on Threads API);
+// when absent the default engagement bar still applies — callers should fall back to
+// PassesViralCandidate rather than treating empty optional signals as failure.
+func PassesMissionQualityCandidate(text string, likes, replies, engagement int, verified bool, followerCount int, exclusions []string) bool {
+	if !PassesViralCandidate(text, likes, replies, engagement, exclusions) {
+		return false
+	}
+	if verified {
+		return likes >= MissionVerifiedMinLikes && engagement >= MissionVerifiedMinEngagement
+	}
+	if followerCount >= MissionInfluencerMinFollowers {
+		return likes >= 12 && engagement >= 40
+	}
+	return likes >= MissionQualityMinLikes && engagement >= MissionQualityMinEngagement
+}
+
+func MergeAuthorSignals(prev, next placement.ScanCandidate) placement.ScanCandidate {
+	if next.AuthorVerified {
+		prev.AuthorVerified = true
+	}
+	if next.FollowerCount > prev.FollowerCount {
+		prev.FollowerCount = next.FollowerCount
+	}
+	return prev
+}

haixun-backend/internal/library/viral/quality_test.go

@@ -0,0 +1,18 @@
+package viral
+
+import "testing"
+
+func TestPassesMissionQualityCandidate_verifiedLowerBar(t *testing.T) {
+	if !PassesMissionQualityCandidate("轉職面試技巧分享心得", 12, 2, 40, true, 0, nil) {
+		t.Fatal("verified author should pass with moderate engagement")
+	}
+}
+
+func TestPassesMissionQualityCandidate_unverifiedStricter(t *testing.T) {
+	if PassesMissionQualityCandidate("轉職面試技巧分享心得", 12, 2, 40, false, 0, nil) {
+		t.Fatal("unverified author should not pass with low engagement")
+	}
+	if !PassesMissionQualityCandidate("轉職面試技巧分享心得", 25, 4, 65, false, 0, nil) {
+		t.Fatal("unverified author should pass with strong engagement")
+	}
+}

haixun-backend/internal/library/viral/reference_accounts.go

@@ -0,0 +1,201 @@
+package viral
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+
+	"haixun-backend/internal/library/placement"
+	missionentity "haixun-backend/internal/model/copy_mission/domain/entity"
+)
+
+const (
+	RefAccountMinBestEngagement  = 50
+	RefAccountMinBestLikes       = 18
+	RefAccountMinTotalEngagement = 80
+	RefVerifiedMinBestEngagement = 35
+	RefVerifiedMinBestLikes      = 10
+)
+
+type ReferenceAccountInput struct {
+	SeedQuery string
+	Label     string
+	Posts     []placement.ScanCandidate
+	Limit     int
+}
+
+type referenceAuthorAgg struct {
+	username        string
+	verified        bool
+	followerCount   int
+	totalEngagement int
+	bestEngagement  int
+	bestLikes       int
+	bestReplies     int
+	postCount       int
+	sampleText      string
+	sampleSearchTag string
+}
+
+// BuildReferenceAccountsFromScan lists authors from patrol posts that match the
+// mission topic and pass quality gates. Verified/follower are optional bonuses;
+// if strict gates yield nothing, falls back to baseline viral engagement.
+func BuildReferenceAccountsFromScan(in ReferenceAccountInput) []missionentity.SimilarAccount {
+	out := buildReferenceAccountsFromScan(in, true)
+	if len(out) > 0 {
+		return out
+	}
+	return buildReferenceAccountsFromScan(in, false)
+}
+
+func buildReferenceAccountsFromScan(in ReferenceAccountInput, strictQuality bool) []missionentity.SimilarAccount {
+	limit := in.Limit
+	if limit <= 0 {
+		limit = MaxSimilarAccounts
+	}
+	byUser := map[string]referenceAuthorAgg{}
+	for _, post := range in.Posts {
+		user := strings.TrimSpace(post.Author)
+		if user == "" || !isValidUsername(user) {
+			continue
+		}
+		if !postTopicRelevant(post, in.SeedQuery, in.Label) {
+			continue
+		}
+		if strictQuality {
+			if !PassesMissionQualityCandidate(
+				post.Text, post.LikeCount, post.ReplyCount, post.EngagementScore,
+				post.AuthorVerified, post.FollowerCount, nil,
+			) {
+				continue
+			}
+		} else if !PassesViralCandidate(
+			post.Text, post.LikeCount, post.ReplyCount, post.EngagementScore, nil,
+		) {
+			continue
+		}
+		key := strings.ToLower(user)
+		prev := byUser[key]
+		prev.username = user
+		if post.AuthorVerified {
+			prev.verified = true
+		}
+		if post.FollowerCount > prev.followerCount {
+			prev.followerCount = post.FollowerCount
+		}
+		prev.postCount++
+		prev.totalEngagement += post.EngagementScore
+		if post.EngagementScore > prev.bestEngagement {
+			prev.bestEngagement = post.EngagementScore
+			prev.bestLikes = post.LikeCount
+			prev.bestReplies = post.ReplyCount
+			text := strings.TrimSpace(post.Text)
+			if len([]rune(text)) > 80 {
+				text = string([]rune(text)[:80])
+			}
+			prev.sampleText = text
+			prev.sampleSearchTag = strings.TrimSpace(post.SearchTag)
+		}
+		byUser[key] = prev
+	}
+
+	ranked := make([]referenceAuthorAgg, 0, len(byUser))
+	for _, item := range byUser {
+		if qualifiesReferenceAuthor(item, strictQuality) {
+			ranked = append(ranked, item)
+		}
+	}
+	sort.Slice(ranked, func(i, j int) bool {
+		if ranked[i].verified != ranked[j].verified {
+			return ranked[i].verified
+		}
+		if ranked[i].followerCount != ranked[j].followerCount {
+			return ranked[i].followerCount > ranked[j].followerCount
+		}
+		if ranked[i].totalEngagement != ranked[j].totalEngagement {
+			return ranked[i].totalEngagement > ranked[j].totalEngagement
+		}
+		return ranked[i].bestEngagement > ranked[j].bestEngagement
+	})
+	if len(ranked) > limit {
+		ranked = ranked[:limit]
+	}
+
+	out := make([]missionentity.SimilarAccount, 0, len(ranked))
+	for _, item := range ranked {
+		conf := "medium"
+		if item.verified {
+			conf = "high"
+		} else if item.bestEngagement >= HotEngagementScore || item.totalEngagement >= 120 {
+			conf = "high"
+		}
+		out = append(out, missionentity.SimilarAccount{
+			Username:        item.username,
+			Reason:          formatReferenceReason(item),
+			Source:          "scan",
+			Confidence:      conf,
+			ProfileURL:      "https://www.threads.net/@" + item.username,
+			AuthorVerified:  item.verified,
+			FollowerCount:   item.followerCount,
+			EngagementScore: item.bestEngagement,
+			LikeCount:       item.bestLikes,
+			ReplyCount:      item.bestReplies,
+			PostCount:       item.postCount,
+		})
+	}
+	return out
+}
+
+func qualifiesReferenceAuthor(item referenceAuthorAgg, strictQuality bool) bool {
+	if item.postCount == 0 {
+		return false
+	}
+	if item.verified {
+		return item.bestLikes >= RefVerifiedMinBestLikes &&
+			(item.bestEngagement >= RefVerifiedMinBestEngagement || item.totalEngagement >= 60)
+	}
+	if strictQuality {
+		if item.bestLikes < RefAccountMinBestLikes {
+			return false
+		}
+		return item.bestEngagement >= RefAccountMinBestEngagement || item.totalEngagement >= RefAccountMinTotalEngagement
+	}
+	return item.bestLikes >= 8 && item.bestEngagement >= MinEngagementScore
+}
+
+func postTopicRelevant(post placement.ScanCandidate, seed, label string) bool {
+	text := strings.ToLower(strings.TrimSpace(post.Text))
+	tag := strings.ToLower(strings.TrimSpace(post.SearchTag))
+	terms := topicTerms(seed, label)
+	if len(terms) == 0 {
+		return text != "" || tag != ""
+	}
+	for _, term := range terms {
+		term = strings.ToLower(term)
+		if strings.Contains(text, term) || strings.Contains(tag, term) {
+			return true
+		}
+	}
+	return false
+}
+
+func topicTerms(seed, label string) []string {
+	out := []string{}
+	if s := strings.TrimSpace(seed); s != "" {
+		out = append(out, s)
+	}
+	if l := strings.TrimSpace(label); l != "" {
+		out = append(out, l)
+	}
+	return out
+}
+
+func formatReferenceReason(item referenceAuthorAgg) string {
+	if item.sampleText != "" {
+		return item.sampleText
+	}
+	if item.sampleSearchTag != "" {
+		return fmt.Sprintf("標籤「%s」高互動作者", item.sampleSearchTag)
+	}
+	return "本次海巡高互動作者"
+}

haixun-backend/internal/library/viral/reference_accounts_fallback_test.go

@@ -0,0 +1,24 @@
+package viral
+
+import (
+	"testing"
+
+	"haixun-backend/internal/library/placement"
+)
+
+func TestBuildReferenceAccountsFromScan_relaxedFallback(t *testing.T) {
+	got := BuildReferenceAccountsFromScan(ReferenceAccountInput{
+		SeedQuery: "轉職",
+		Label:     "轉職",
+		Posts: []placement.ScanCandidate{
+			{Author: "warm_user", Text: "轉職心得分享", SearchTag: "轉職", LikeCount: 10, ReplyCount: 2, EngagementScore: 32},
+		},
+		Limit: 5,
+	})
+	if len(got) != 1 {
+		t.Fatalf("expected relaxed fallback account, got %d", len(got))
+	}
+	if got[0].AuthorVerified {
+		t.Fatal("verified must stay false when not provided")
+	}
+}

haixun-backend/internal/library/viral/reference_accounts_test.go

@@ -0,0 +1,58 @@
+package viral
+
+import (
+	"testing"
+
+	"haixun-backend/internal/library/placement"
+)
+
+func TestBuildReferenceAccountsFromScan_filtersLowEngagement(t *testing.T) {
+	got := BuildReferenceAccountsFromScan(ReferenceAccountInput{
+		SeedQuery: "轉職",
+		Label:     "轉職語錄",
+		Posts: []placement.ScanCandidate{
+			{Author: "weak_user", Text: "轉職心得", SearchTag: "轉職", LikeCount: 2, ReplyCount: 0, EngagementScore: 10},
+			{Author: "hot_user", Text: "轉職面試技巧分享", SearchTag: "轉職", LikeCount: 30, ReplyCount: 5, EngagementScore: 85},
+		},
+		Limit: 5,
+	})
+	if len(got) != 1 {
+		t.Fatalf("expected 1 account, got %d", len(got))
+	}
+	if got[0].Username != "hot_user" {
+		t.Fatalf("unexpected username %q", got[0].Username)
+	}
+}
+
+func TestBuildReferenceAccountsFromScan_prefersVerified(t *testing.T) {
+	got := BuildReferenceAccountsFromScan(ReferenceAccountInput{
+		SeedQuery: "轉職",
+		Label:     "轉職",
+		Posts: []placement.ScanCandidate{
+			{Author: "plain_user", Text: "轉職技巧", SearchTag: "轉職", LikeCount: 22, ReplyCount: 3, EngagementScore: 55},
+			{Author: "blue_user", Text: "轉職分享", SearchTag: "轉職", LikeCount: 14, ReplyCount: 2, EngagementScore: 42, AuthorVerified: true},
+		},
+		Limit: 5,
+	})
+	if len(got) < 2 {
+		t.Fatalf("expected 2 accounts, got %d", len(got))
+	}
+	if got[0].Username != "blue_user" || !got[0].AuthorVerified {
+		t.Fatalf("verified author should rank first, got %+v", got[0])
+	}
+}
+
+func TestBuildReferenceAccountsFromScan_requiresTopicMatch(t *testing.T) {
+	posts := []placement.ScanCandidate{
+		{Author: "off_topic", Text: "今天天氣真好", SearchTag: "天氣", LikeCount: 40, ReplyCount: 8, EngagementScore: 90},
+	}
+	got := BuildReferenceAccountsFromScan(ReferenceAccountInput{
+		SeedQuery: "轉職",
+		Label:     "轉職",
+		Posts:     posts,
+		Limit:     5,
+	})
+	if len(got) != 0 {
+		t.Fatalf("expected no accounts for off-topic post, got %d", len(got))
+	}
+}