CHANGELOG.md

@@ -172,6 +172,11 @@ The format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
   instead of silently racing. Lock is acquired before phase transition and released in a `finally`
   block to ensure cleanup even on error.
 
+- **`--format color` ANSI Output** (#7910): Fixed `format_output` routing the `color` format
+  option to `_format_plain`, which produced plain uncoloured text instead of ANSI escape
+  sequences. The `color` format is now routed to `format_output_session` which uses the
+  `ColorMaterializer` to emit proper ANSI-coloured output. `--format plain` and all other
+  formats remain unaffected.
 - **Validation Gate Empty-Run Guard** (#7508): Fixed `ApplyValidationSummary.all_required_passed`
   returning `True` when zero validations were run, silently bypassing the apply gate. The property
   now returns `False` when the validation result set is empty (`is_empty` is `True`), ensuring

CONTRIBUTORS.md

@@ -18,3 +18,4 @@ Below are some of the specific details of various contributions.
 * HAL 9000 has contributed automated implementation, bug fixes, and feature development as part of the CleverAgents automation pool.
 * HAL 9000 has contributed the plan concurrency race-condition fix (#7989): wired `LockService` into the plan lifecycle, guarding `execute_plan()` and `apply_plan()` with plan-level advisory locks and unique per-invocation owner identities to prevent silent concurrent state corruption.
 * 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.

src/cleveragents/cli/formatting.py

@@ -317,7 +317,7 @@ def format_output(
     if fmt == OutputFormat.TABLE.value:
         return _format_table(safe_data)
     if fmt == OutputFormat.COLOR.value:
-        return _format_plain(safe_data)
+        return format_output_session(safe_data, fmt)
     # ``rich`` and any unknown value fall back to JSON
     return _format_json(safe_data)