feat(cli): compact tool status with subtle trace logs

[xinhuagu]

Summary\n- reuse a single status entry for repeated same-name tools instead of growing many lines\n- add subtle gray trace lines for tool lifecycle visibility:\n - [tool:start] ...\n - [tool:done] ...\n - [tool:error] ...\n- keep status panel behavior and tests updated\n\n## Validation\n- ./gradlew :aceclaw-cli:test --no-daemon

[greptile-apps]

Greptile Summary

Implemented compact tool status display with trace logs and status entry reuse:

• Added subtle gray trace lines ([tool:start], [tool:done], [tool:error]) for tool lifecycle visibility
• Status panel now reuses a single entry for repeated same-name tools instead of creating new entries
• Test coverage validates the reuse behavior by checking internal status map size

The implementation follows defensive coding practices with proper null checks and bounds validation. The trace log formatting is consistent with existing patterns in the codebase.

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The changes are well-contained to UI/UX improvements in the terminal output layer. The code follows defensive coding patterns from CLAUDE.md (null checks, bounds validation). The new test verifies the core behavior. No logical errors or security issues detected.
• No files require special attention

Important Files Changed

Filename	Overview
aceclaw-cli/src/main/java/dev/aceclaw/cli/ForegroundOutputSink.java	Added trace logs for tool lifecycle and status entry reuse for repeated tool calls
aceclaw-cli/src/test/java/dev/aceclaw/cli/ForegroundOutputSinkTest.java	Added test to verify status entry reuse for repeated same-name tools

_{Last reviewed commit: d1464fc}