fix(cli): always show context usage bar in status panel

[xinhuagu]

Summary

• Context usage bar (14/200K (0%)) disappeared from status panel because the condition required latestInputTokens > 0
• Before first turn or when tokens are 0, the bar was hidden — user loses visibility into context window capacity
• Removed the latestInputTokens > 0 guard so the bar always shows when context window size is known

One-line fix: ctxWindow > 0 && latestInputTokens > 0 → ctxWindow > 0

Test plan

• All CLI tests pass
• Manual: start fresh session, verify 0/200K (0%) shows immediately

🤖 Generated with Claude Code

Summary by CodeRabbit

• Bug Fixes
  • Enhanced terminal REPL status display to reliably show token usage information whenever a context window is available, with more robust percentage calculations.

[greptile-apps]

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[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: aca21ac3-467f-4abd-98fe-55e26cb858d3

📥 Commits

Reviewing files that changed from the base of the PR and between e805e6d and cd9773d.

📒 Files selected for processing (1)

• aceclaw-cli/src/main/java/dev/aceclaw/cli/TerminalRepl.java

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📝 Walkthrough

Walkthrough

The condition for rendering token usage information in the status string is modified to display whenever the context window is non-zero, rather than requiring both context window and latest input tokens to be positive. The percentage calculation is explicitly guarded against division by zero.

Changes

Cohort / File(s)	Summary
Token Usage Display Logic aceclaw-cli/src/main/java/dev/aceclaw/cli/TerminalRepl.java	Modified buildStatusString method to render token usage when context window is non-zero, independent of latest input token count. Added explicit ternary guard for percentage calculation to safely handle zero latest input tokens.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

🚥 Pre-merge checks | ✅ 3 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely summarizes the main change: making the context usage bar always visible in the status panel by adjusting the display condition.
Block Major Correctness And Security Risks	✅ Passed	PR safely displays context usage bar before first turn by removing latestInputTokens check while maintaining division-by-zero protection.

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✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix/context-usage-always-visible

📝 Coding Plan

• Generate coding plan for human review comments

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