diff --git a/.gitignore b/.gitignore
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--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
 .idea/
-cursor-api-proxy*
-.env
\ No newline at end of file
+bin/
+.env
diff --git a/DIAGNOSTIC_RESULTS.md b/DIAGNOSTIC_RESULTS.md
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-# cursor-adapter SSE Diagnostic Results
-
-> **Status: RESOLVED 2026-04-18.** This file is kept for history. The bugs
-> listed below have been fixed. Current behavior is captured by regression
-> tests in `internal/server/messages_test.go` and `internal/converter/convert_test.go`.
-
----
-
-## Originally reported (2026-04-15)
-
-When used as an OpenAI-compatible endpoint for SDKs like
-`@ai-sdk/openai-compatible` (OpenCode), cursor-adapter had five issues:
-
-1. **Non-streaming is completely broken** — server hung for 30s and never
-   wrote a response body.
-2. **SSE content was double-JSON-encoded** — each `delta.content` field
-   held the *entire* Cursor CLI JSON line (including `type:"system"`,
-   `type:"user"`, `type:"result"`) serialized as a string, instead of plain
-   assistant text.
-3. **Missing `role` in first delta.**
-4. **Missing `finish_reason` in final chunk.**
-5. **Usage not at the top level** — embedded inside a stringified JSON
-   payload instead of `chunk.usage`.
-
----
-
-## Root cause
-
-Two separate bugs plus one latent one, all landed together:
-
-- **Non-stream hang / `exit status 1`:** the chat-only isolation ported from
-  `cursor-api-proxy` was overriding `HOME` → temp dir. On macOS with
-  keychain login, the `agent` CLI resolves its session token via
-  `~/.cursor/` + the real keychain, so a fake `HOME` made `agent` exit
-  immediately with "Authentication required. Please run 'agent login'".
-  The adapter surfaced this as either a hang (when timeouts swallowed the
-  exit) or as `exit status 1` once the error bubbled up.
-- **Content wrapping / leaked system-user chunks:** older pre-parser code
-  forwarded raw Cursor JSON lines as `delta.content`. The parser had
-  already been rewritten by the time this diagnostic was taken, but the
-  report caught an earlier build.
-- **Duplicate final delta (discovered during this pass):** the stream
-  parser's accumulator was *reassigned* (`p.accumulated = content`) even
-  when the new fragment did not start with the accumulated prefix. With
-  Cursor CLI's incremental output mode (one fragment per message), that
-  meant the "you said the full text" final message looked different from
-  accumulated and was emitted as a second copy of the whole response.
-
----
-
-## Fix summary
-
-- `internal/workspace/workspace.go` — only override `CURSOR_CONFIG_DIR` by
-  default. `HOME`/`XDG_CONFIG_HOME`/`APPDATA` are only isolated when
-  `CURSOR_API_KEY` is set (which bypasses keychain auth anyway).
-- `internal/converter/convert.go` — stream parser now handles both
-  cumulative and incremental Cursor output modes. In the non-prefix
-  branch it appends to accumulated instead of replacing it, so the final
-  duplicate is correctly detected via `content == accumulated` and
-  skipped.
-- `internal/server/handlers.go` + `anthropic_handlers.go` — already emit
-  `role:"assistant"` in the first delta, `finish_reason:"stop"` in the
-  final chunk, and `usage` at the top level. Regression tests added to
-  `messages_test.go` lock this in.
-
-## Verified manually
-
-```
-$ curl -sN http://localhost:8765/v1/chat/completions \
-    -H 'Content-Type: application/json' \
-    -d '{"model":"auto","stream":true,"messages":[{"role":"user","content":"count 1 to 5"}]}'
-
-data: {"id":"chatcmpl-…","choices":[{"index":0,"delta":{"role":"assistant"},"finish_reason":null}]}
-data: {"id":"chatcmpl-…","choices":[{"index":0,"delta":{"content":"\n1、2、3、4、5。"},"finish_reason":null}]}
-data: {"id":"chatcmpl-…","choices":[{"index":0,"delta":{},"finish_reason":"stop"}],"usage":{"prompt_tokens":6,"completion_tokens":5,"total_tokens":11}}
-data: [DONE]
-```
-
-Non-streaming returns `chat.completion` JSON with `stop_reason:"stop"` and
-`usage` populated. Anthropic `/v1/messages` emits `message_start` →
-`content_block_delta*` → `message_stop` without duplicating the final
-cumulative fragment.
diff --git a/bin/cursor-adapter b/bin/cursor-adapter
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