docs: Documentation for the RESTful API POC

2026-05-01 14:45:13 -06:00
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+# Iteration 8 — Test Implementation Notes
+
+## Plan file addressed
+
+`docs/testing/plans/08-request-context.md`
+
+## Tests created
+
+### src/config/request_context.rs (22 new tests, 51 total in file)
+
+| Test name | What it verifies |
+|---|---|
+| `state_empty_context` | Empty context → empty StateFlags |
+| `state_with_role_only` | Role set → ROLE flag |
+| `state_with_empty_session` | Empty session → SESSION_EMPTY flag |
+| `state_flags_combine_role_and_session` | Multiple flags combine correctly |
+| `role_info_errors_when_no_role` | No role → error |
+| `role_info_succeeds_with_role` | Role present → exports prompt |
+| `agent_info_errors_when_no_agent` | No agent → error |
+| `rag_info_errors_when_no_rag` | No RAG → error |
+| `use_role_obj_errors_when_agent_active` | Agent blocks role assignment |
+| `exit_rag_clears_rag` | exit_rag() sets rag to None |
+| `discontinuous_last_message_sets_continuous_false` | Marks last message non-continuous |
+| `discontinuous_last_message_noop_when_none` | No last message → no-op |
+| `before_chat_completion_sets_last_message` | Creates LastMessage with empty output |
+| `role_like_mut_returns_none_when_empty` | No active scope → None |
+| `role_like_mut_returns_role_when_only_role` | Role only → returns role |
+| `role_like_mut_prefers_session_over_role` | Session takes priority |
+| `working_mode_cmd` | CMD mode flags correct |
+| `working_mode_repl` | REPL mode flags correct |
+| `session_file_returns_yaml_path` | Correct .yaml suffix |
+| `session_file_with_subdir` | subdir/name → nested path |
+| `is_compressing_session_false_when_no_session` | No session → false |
+| `is_compressing_session_false_with_default_session` | Default session → false |
+
+**Total: 22 new tests (272 total in suite)**
+
+## Bugs discovered
+
+None.
+
+## Observations for future iterations
+
+1. **Rag struct has no Default**: Rag requires an AppConfig, name,
+   embedding model, and HNSW index. Can't create test instances
+   without heavy setup. RAG-related state tests (state with RAG,
+   exit_rag with actual RAG) deferred.
+
+2. **role_like_mut priority is session > agent > role > None**:
+   The session-over-role priority is verified. Agent priority
+   can't be easily tested without agent init (filesystem).
+
+3. **StateFlags is a bitflags type**: Tested empty, individual
+   flags (ROLE, SESSION_EMPTY), and combinations. The SESSION
+   flag (non-empty session) requires adding messages to a session
+   which needs more setup — deferred.
+
+4. **info() and sysinfo() require model provider config**: These
+   format system info strings that include model details. Testing
+   requires a valid model provider configuration.
+
+5. **The RequestContext test file now has 51 tests** spanning
+   iterations 1, 4, 5, 7, and 8. It's the most heavily tested
+   module, which matches its role as the central state container.
+
+## Next iteration
+
+Plan file 09: REPL Commands — REPL command handlers, state
+assertions, argument parsing.