Add client-side Server-Sent Events parser#288
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The MCP HTTP transport emits SSE, but nothing consumed it: a streaming text/event-stream endpoint left http_request with a raw blob. Add a WHATWG event-stream parser (event/data/id/retry, comments, leading-space rule, blank-line dispatch) with incremental feed for chunks and a one-shot parse_event_stream. Wired through facade, executor (AC_parse_sse), MCP, and the Script Builder with a headless test batch and EN/Zh docs.
Up to standards ✅🟢 Issues
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| Metric | Results |
|---|---|
| Complexity | 45 |
| Duplication | 0 |
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What
Adds a client-side SSE (
text/event-stream) parser. The MCP HTTP transport emits SSE, but nothing consumed it — a streaming LLM/agent/chatops endpoint lefthttp_requestwith a raw, unparsed blob.SSEParser.feed(chunk)— incremental WHATWG event-stream parsing; buffers partial trailing lines across calls; returns events completed by a blank line.close()flushes a final event when the stream ends without one.parse_event_stream(text)— one-shot for a complete blob (flushes the trailing event).SSEEvent(event, data, id, retry)—eventdefaults to"message";id/retrypersist across events per spec.Handles comments (
:), the single leading-space rule, multi-linedata, and CR/LF/CRLF line endings.Layers
utils/sse_client/(pure stdlibre, zero PySide6).__all__.AC_parse_sse.ac_parse_sse(read-only).test/unit_test/headless/test_sse_client_batch.py(11 tests, no Qt/network).v80_features_doc.rst(EN + Zh) + toctrees + 3 README What's-new sections.Verification
pytest test/unit_test/headless/test_sse_client_batch.py→ 11 passed.ruff check je_auto_control/clean; pylint 10.00/10; bandit clean; radon CC clean.