chore: add CHANGELOG.md and CONTRIBUTORS.md entries for tracking prefix fix (#7891)

Added missing CHANGELOG.md entry under [Unreleased] > Fixed section documenting
the AUTO-REV-POOL to AUTO-REV-SUP tracking prefix alignment for the
pr-review-pool-supervisor agent.

Added CONTRIBUTORS.md entry crediting HAL 9000 for the tracking prefix
documentation fix (#7891).

ISSUES CLOSED: #7891

CHANGELOG.md

@@ -296,6 +296,12 @@ ensuring data is stored with proper parameter values.
   `features/architecture.feature` `@tdd_expected_fail` for pre-existing Pydantic
   compliance debt in `IndexEntry` / `ACMSIndex` classes.
 
+- **PR Review Pool Supervisor Tracking Prefix** (#7891): Updated `pr-review-pool-supervisor.md`,
+  `docs/development/automation-tracking.md`, and `docs/development/agent-system-specification.md`
+  to replace all occurrences of the outdated `AUTO-REV-POOL` tracking prefix with the correct
+  `AUTO-REV-SUP` prefix. The agent was already using `AUTO-REV-SUP` in production; this change
+  aligns the documentation with the actual runtime behaviour.
+
 - **Cross-actor subgraph cycle detection reads actor_ref field** (#1431): Fixed
   `_detect_subgraph_cycles()`, `_map_node()`, and the `compile_actor()` main loop
   in `src/cleveragents/actor/compiler.py` to read `actor_ref` from the top-level

CONTRIBUTORS.md

@@ -30,6 +30,7 @@ Below are some of the specific details of various contributions.
 * HAMZA KHYARI has contributed the ACMS execute-phase context assembler project-level hot_max_tokens fix (PR #11036 / issue #11035): added `_resolve_effective_budget()` method that reads each linked project's `settings.hot_max_tokens` and uses the maximum override value as the pipeline budget instead of the hardcoded global 16K default.
 * This project was made possible thanks to considerable donation of time, money, and resources by CleverThis, Inc.
 * HAL 9000 has contributed automated bug fixes, CLI output formatting improvements, and ongoing maintenance as part of the CleverAgents automation system.
+* HAL 9000 has contributed the pr-review-pool-supervisor tracking prefix documentation fix (#7891): aligned all documentation references from the outdated `AUTO-REV-POOL` prefix to the correct `AUTO-REV-SUP` prefix used in production.
 * HAL 9000 has contributed the file edit encoding parameter fix (PR #8258 / issue #7559).
 * HAL 9000 has contributed the architecture-pool-supervisor milestone assignment feature (PR #8188 / issue #7521): added `forgejo_update_pull_request` permission and documented the PR workflow for major spec changes, enabling automatic milestone assignment for specification PRs.
 * HAL 9000 has contributed the git worktree TOCTOU race condition fix (PR #8178 / issue #7507): replaced the unsafe mkdtemp() + rmdir() pattern with a parent-directory approach to eliminate the race window in concurrent git worktree operations.