* feat(analyzer): add the Ollama Analyzer backend (#15)
Add compiler/analyzer/backend.py per MASTER_SPEC §12.3, §12.10.
- AnalyzerBackend Protocol keeps the LLM backend swappable with no downstream
coupling; the module imports no downstream compiler stage.
- OllamaBackend talks to a local Ollama /api/generate endpoint using only the
standard library (urllib). The HTTP call is an injectable transport, so the
backend is fully unit-testable without a live Ollama.
- Sends the configured model, temperature (default 0.0), and the user prompt
unmodified, applying the configured timeout. BackendResult exposes the response
text, model name, and request duration for logging.
- Failure modes map to codes: connection failure -> BackendUnavailableError
(SC0012, Fatal); timeout -> BackendTimeoutError (SC0013); HTTP error /
unexpected response -> BackendResponseError (SC0018, new extension).
Adds SC0018 (Analyzer Unexpected Response) to the message-code registry.
Tests (no live Ollama): interface conformance, from_config, success with
telemetry + unmodified prompt, and timeout/connection/URLError/HTTP/malformed
response mapping.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
* test(analyzer): use pytest.approx and single throwing call in backend tests
Avoid float-equality on temperature (SonarCloud reliability) and construct the
backend outside pytest.raises so each block has a single throwing invocation.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
---------
Co-authored-by: kunail0804 <kunail0804@gmail.com>
Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
