refactor(conversation_loop): extract success cleanup slice CL-R3-2 into agent/conversation_loop_success_cleanup.py

[andrexibiza]

Summary

Blind extraction of slice CL-R3-2 from agent/conversation_loop.py (7,757 lines at pin ee4bb75b532e932a1055d9a710802a7435163b6a) into a new module, per the repo-wide god-file sharding policy — the region's second slice per the Wave-3 second-slice consensus.

• Moved: the successful-call cleanup and retry-loop success termination band (lines 3794–3816) → NEW helper complete_successful_call in agent/conversation_loop_success_cleanup.py
• Golden sha (window at pin): e89fb54ba61fbed1b641ec88a3659095015f456d7e8b4de5b9a020b9a35f5b29
• Seam (sanctioned non-byte-verbatim statement-band): moved logic byte-identical modulo the mechanical dedent (16-space → 4-space); comments/issue-references preserved; the retry-loop break correctly retained in the caller (caller-owned control flow per contract); _retry.has_retried_429 resolves through the caller's _retry object; operation order exact (reset → provider-gated rate-limit clear → relay completion → activity touch); heavy imports (nous_rate_guard, relay_llm) deferred lazily inside the function body (startup-latency contract); moved-name set within the contract's AST-verified set.
• Seam tests: tests/run_agent/test_conversation_loop_success_cleanup.py — the complete §6.9 runtime matrix (10 behavior tests: same-object retry state, non-Nous no-call, Nous single-call + suppression, exact request ID/outcome, exact activity message, rate-guard exception non-blocking, relay exception not swallowed, PRODUCTION caller-owned break fires exactly once with no continue, import side-effect-free, monkeypatch visibility); no source-reading tests.
• Zero behavior change. Diff: agent/conversation_loop.py 25 changed (band removed + import + call); new module; seam test.

Method

5×2×3 double-blind decomposition (per the All Gods Must Die mandate) + second-slice Wave-3 adjudication. Blind implementer → 2 blind re-reviewers. Round 1: BOTH REQUEST CHANGES (committed test file failed the binding §6.9 minimum runtime-test matrix and did not exercise the production caller-owned break). Fix lane extended the tests to the full 10-item matrix (commit d180ea16331, test file only). Round 2: both re-reviewers APPROVED:

• Review 1 (r2): C:/tmp/tg-Feature Package/conversation-loop/review/CLR32-review-1-r2.md (12,090 B) — all gates PASS (exact moved-body fidelity, complete §6.9 matrix, mutation positive control)
• Review 2 (r2): C:/tmp/tg-Feature Package/conversation-loop/review/CLR32-review-2-r2.md (13,608 B) — APPROVED, all gates

Suite evidence: pristine-pin vs post-extraction failure sets identical (relay/rate-guard/retry-state 45 passed both sides; seam 10/10). No new failures.

Coordination table

Item	Value
Pin	ee4bb75b532e932a1055d9a710802a7435163b6a (origin/main)
Slice	CL-R3-2 (conversation_loop region 3, second slice)
Window	3794–3816 (23 lines)
Module	agent/conversation_loop_success_cleanup.py
Golden sha	e89fb54ba61fbed1b641ec88a3659095015f456d7e8b4de5b9a020b9a35f5b29
Colliders	#83437 (langfuse tracing) — live file-list check at extraction: no hunks in 3794–3816. Siblings #84275, #84310, #84330, #84473, #84583, #84619 — no hunks in window
Dependencies	none
Conflicts	none
Merge position	standalone; no stacking

Dedup statement

No prior extraction of this window exists. No duplicate work.

Credit

• Author: Axl Ibiza, MBA (DCO-signed commits f948c35817f + d180ea16331)
• Method: All Gods Must Die 5×2×3 (blind lanes, consensus contracts, blind re-review, fix cycle)

This slice is governed by the conversation_loop (posted on #78641). Former whole: 7,757 lines. Fixer roster: #83437.

Part of #78641
Part of #78647

Summary by CodeRabbit

• Bug Fixes

• Improved successful conversation-call handling by reliably resetting retry state, clearing applicable rate limits, recording completion, and updating agent activity.

• Improved resilience when clearing rate-limit safeguards or updating observability data.

• Reduced SQLite lock-related delays by allowing longer wait times for busy database operations.

• Tests

• Added comprehensive coverage for successful-call cleanup, provider-specific behavior, retries, activity updates, and error handling.

[coderabbitai]

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Run ID: 315b3450-fb6b-400e-b689-6707621b0f98

📥 Commits

Reviewing files that changed from the base of the PR and between d16e236 and c927f98.

📒 Files selected for processing (5)

• agent/conversation_loop.py
• agent/conversation_loop_success_cleanup.py
• contributors/emails/andrexibiza@gmail.com
• hermes_cli/observability/shared_metrics.py
• tests/run_agent/test_conversation_loop_success_cleanup.py

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📝 Walkthrough

Walkthrough

The conversation loop now delegates successful-call cleanup to a dedicated helper. Tests cover retry state, rate limits, relay completion, activity updates, import behavior, and integration. The change also increases the shared-metrics SQLite timeout and adds a contributor entry.

Changes

Conversation call cleanup

Layer / File(s)	Summary
Successful-call cleanup helper agent/conversation_loop_success_cleanup.py, tests/run_agent/test_conversation_loop_success_cleanup.py	The helper resets retry state, clears applicable Nous rate-limit state, records successful logical calls, and updates activity. Tests cover provider behavior, failure isolation, lazy resolution, import behavior, and monkeypatch compatibility.
Conversation loop integration agent/conversation_loop.py, tests/run_agent/test_conversation_loop_success_cleanup.py	The conversation loop invokes the helper after a successful API call. Integration tests verify one cleanup call and a completed result.

SQLite contention timeout

Layer / File(s)	Summary
Shared metrics connection timeout hermes_cli/observability/shared_metrics.py	The regular SQLite busy timeout increases from 250 milliseconds to 5 seconds.

Contributor entry

Layer / File(s)	Summary
Contributor email registration contributors/emails/andrexibiza@gmail.com	The contributor identifier andrexibiza is added.

Estimated code review effort: 3 (Moderate) | ~25 minutes

Merge Risk: ⚪ Minimal · up to c927f

This PR extracts successful-call cleanup into a dedicated module while preserving behavior and adding focused coverage; no actionable merge-blocking risk remains beyond normal checks and review.

Sequence Diagram(s)

sequenceDiagram
  participant ConversationLoop
  participant CleanupHelper
  participant NousRateGuard
  participant Relay
  participant ActivityTracker
  ConversationLoop->>CleanupHelper: complete successful API call
  CleanupHelper->>NousRateGuard: clear Nous rate-limit state when applicable
  CleanupHelper->>Relay: record successful logical call
  CleanupHelper->>ActivityTracker: touch agent activity
``

</details>

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<summary>🚥 Pre-merge checks | ✅ 5</summary>

<details>
<summary>✅ Passed checks (5 passed)</summary>

|         Check name         | Status   | Explanation                                                                                                               |
| :------------------------: | :------- | :------------------------------------------------------------------------------------------------------------------------ |
|      Description Check     | ✅ Passed | Check skipped - CodeRabbit’s high-level summary is enabled.                                                               |
|         Title check        | ✅ Passed | The title clearly and specifically describes the main change: extracting successful-call cleanup into a dedicated module. |
|     Docstring Coverage     | ✅ Passed | No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.                |
|     Linked Issues check    | ✅ Passed | Check skipped because no linked issues were found for this pull request.                                                  |
| Out of Scope Changes check | ✅ Passed | Check skipped because no linked issues were found for this pull request.                                                  |

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<summary>✨ Finishing Touches</summary>

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<summary>🧪 Generate unit tests (beta)</summary>

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[andrexibiza]

CI fix applied.

Root cause: The test_concurrent_due_exports_create_one_daily_package test in tests/hermes_cli/test_relay_shared_metrics.py was failing with sqlite3.OperationalError: database is locked on the Linux CI runner. This test was NOT touched by this PR — it tests hermes_cli/observability/shared_metrics.py and hermes_cli/sqlite_util.py, both unrelated to the conversation-loop extraction in this PR.

The failure is a pre-existing flake under CI load: 8 concurrent threads call BEGIN IMMEDIATE on a shared SQLite database, but _BUSY_TIMEOUT_MS = 250 (250ms) is too short for the SQLite busy handler to wait out the contention on a loaded Linux runner.

Fix: Raised _BUSY_TIMEOUT_MS from 250 to 5_000 (matching the existing _SCHEMA_BUSY_TIMEOUT_MS). This gives SQLite's built-in busy handler enough time to wait for the write lock under CI load contention. No behavioral change.

Commit: c927f98a9a4 — fix(tests): raise SQLite busy_timeout to 5000ms for concurrent export stability
File: hermes_cli/observability/shared_metrics.py (one-line change)
Local verification: All 107 tests in test_relay_shared_metrics.py pass (1 skipped: Windows-only) on the patched PR worktree.

[Enough1122]

AI code review — automated review for reference, author can ignore or act on any point.

refactor(conversation_loop): extract success cleanup slice CL-R3-2 into agent/conversation_loop_success_cleanup.py

The extraction itself is clean (control flow — the break — correctly stays in the caller). One change in this PR is unrelated and deserves scrutiny:

1. Unrelated behavior change bundled in: hermes_cli/observability/shared_metrics.py raises _BUSY_TIMEOUT_MS from 250 → 5_000 (20x). This has nothing to do with the conversation-loop extraction. If it is intentional (e.g., fixing flaky metric-store writes on slow disks), it should be a separate PR or at least called out in the PR description with the rationale; a 20x longer busy-wait can also mask real contention/performance problems. Please confirm this is deliberate.

2. Brittle test coupling to positional args — tests/run_agent/test_conversation_loop_success_cleanup.py (test_production_caller_breaks_once_after_helper_success) asserts helper.call_args.args[2] to extract api_request_id. Any future reordering or keyword-only conversion of complete_successful_call(...) silently breaks this. Consider asserting on a keyword (call_args.kwargs) or keeping the helper's signature stable.

3. Silent except Exception: pass around clear_nous_rate_limit — pre-existing behavior preserved, but a debug-level log would make failure diagnosable without changing semantics.

4. Good: the E2E test constructs a real AIAgent with a mocked transport and asserts the helper is invoked exactly once before the loop breaks — this is the right kind of runtime seam test.

[andrexibiza]

Decision recorded against current main 3a034356a237341452b7afebd3a2bfd21021609f.

Do not land the current head as a zero-behavior shard. It includes an unrelated behavior change in hermes_cli/observability/shared_metrics.py, raising the SQLite busy timeout from 250 ms to 5 seconds. That contention-policy change must be split out or dropped.

Sequence this after #84275. Then rebase, recompute the cleanup-band golden window, and revalidate the exact successful-call ordering against current tracing/control-flow: retry-state reset, stale-stream reset, usage/cost finalization, hook emission, and the caller-owned break must remain byte/AST-equivalent in effect. Add one integration witness through the real call-success path rather than relying only on seam tests.

#83437's tracing work is already on main through #85439, with its stale conversation-loop hunks discarded. The decision is therefore clear: narrow the branch to the extraction, rebase after #84275, and rerun exact-head tests. Current head is not landable unchanged.