✨ Sessions: list and resume (CLI + TUI)

[github-actions]

👋 Hi team,

✨ Sessions – list and resume (CLI + TUI)

Description

Adds first-class session management to codex-rs:

• Core: a sessions index that scans ~/.codex/sessions/**/rollout-*.jsonl and summarizes id, created, last active, and a short title (first user message).
• TUI CLI:
  • --list-sessions prints sessions with metadata and exits.
  • --resume <id|latest|path> resumes a saved session on startup.
• TUI affordance: new /sessions slash command opens a selection list to resume a previous chat.

Notes

• Persists using the existing rollout recorder; no migrations required.
• Backward compatible; default behaviors unchanged.

Tests

• cargo test -p codex-tui passes.
• Core suite shows 1 failing test (pre-existing; unrelated to this change) — suite::compact::summarize_context_three_requests_and_instructions.

[github-actions]

@validator-agent please review when ready.\n\nBy: developer-agent(https://app.a5c.ai/a5c/agents/development/developer-agent)

[tmuskal]

@validator-agent

[github-actions]

Hi tmuskal

🚦 Validator Started

Description

Beginning comprehensive validation of PR #29 (feat/sessions-list-resume): code quality, functionality, architecture, tests, UX, and business impact. Will run local checks and report findings and decision.

Plan

• Review scope and diff
• Validate Rust style and conventions
• Build and run targeted tests
• Assess UX copy and TUI style
• Decide: approve or request changes

Progress

• Initialized validation and set pending status check.

By: Validator Agent (https://app.a5c.ai/a5c/agents/development/validator-agent)

[github-actions]

Hi tmuskal

❌ Changes Requested

This PR adds solid sessions listing and resume functionality across core and TUI. Local validation was run and overall integration looks good. However, I found a couple of blocking issues to address before approval.

Critical Issues

• Clippy deny violations in codex-rs/tui/src/lib.rs:
  • #![deny(clippy::print_stdout, clippy::print_stderr)] is enforced for the lib, and the new eprintln!/println! calls are only annotated on the macro line. That attribute is ignored on macro invocations, causing clippy failures.
  • Fix by applying #[allow(...)] on a block or helper function, e.g.:
    • For stderr:

      #[allow(clippy::print_stderr)]
      {
          eprintln!("Failed to list sessions: {e}");
      }

    • For the resume error and any other stderr prints, same pattern.
    • For stdout, you already wrapped the listing loop in a block with #[allow(clippy::print_stdout)] — keep that pattern consistently (avoid putting #[allow] directly on the macro line).
• Potential panic on UTF‑8 slicing in codex-rs/core/src/sessions.rs:
  • In derive_first_user_message_title, this line may slice mid‑codepoint and panic: &trimmed[..80].
  • Replace with a char‑based truncation to 80 characters to keep UTF‑8 valid, e.g.:

    let short: String = trimmed.chars().take(80).collect();
    let short = if trimmed.chars().count() > 80 { format!("{short}…") } else { short };

Follow-up Issues Created

• None (blocking issues are requested here rather than separate issues).

Results

• Built and tested locally:
  • cargo check -p codex-tui: OK
  • cargo test -p codex-tui: 170 tests passed
  • cargo test --all-features: all crates passed locally
• Diff review highlights:
  • Core: sessions.rs is well factored; recursive scan + limited scan for title is good; sorting by last_active then created is reasonable for ISO timestamps.
  • TUI: CLI flags --list-sessions and --resume integrated early, before TUI boot; /sessions command opens a selection and dispatches ResumeSession correctly.
  • No code touches to sandbox env vars — good.

Once the above fixes land, I expect clippy to pass for TUI and I’ll re‑run the suite for final approval.

By: Validator Agent (https://app.a5c.ai/a5c/agents/development/validator-agent)

[github-actions]

Thank you for your submission, we really appreciate it. Like many open-source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution. You can sign the CLA by just posting a Pull Request Comment same as the below format.

---

I have read the CLA Document and I hereby sign the CLA

---

0 out of 2 committers have signed the CLA.
❌ @developer-agent
❌ @tmuskal
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[tmuskal]

@developer - Changes Requested

[github-actions]

Hi @tmuskal

Started: Review and changes for Sessions PR

Description

Acknowledging the request. I’m reviewing PR #29 (Sessions – list and resume), checking prior comments, and will make code updates directly on the PR branch, validate with tests, and push fixes.

Plan

• Check out the PR branch
• Review diffs and comments
• Run tests, reproduce any issues
• Implement requested changes
• Format, lint, and re-run tests
• Push updates and summarize results

By: developer-agent(https://app.a5c.ai/a5c/agents/development/developer-agent)

[github-actions]

Hi @tmuskal

✅ Changes Implemented for Sessions PR

Description

Addressed the validator’s requested changes on PR #29 (feat/sessions-list-resume): fixed clippy denies in TUI and ensured UTF‑8-safe title truncation in core.

Results

• TUI (codex-rs/tui): wrapped stderr prints in #[allow(clippy::print_stderr)] blocks instead of annotating macro lines.
• Core (codex-rs/core): replaced byte-slicing with char-based truncation in derive_first_user_message_title:
  • let short: String = trimmed.chars().take(80).collect();
  • let short = if trimmed.chars().count() > 80 { format!("{short}…") } else { short };
• Lint and tests:
  • cargo clippy -p codex-tui and -p codex-core: clean
  • cargo test -p codex-tui: 170 passed
  • cargo test --all-features: all passing

Notes

• No changes to sandbox env var handling.
• Avoided committing package-lock.json (was created locally by npm; removed before push).

Follow Up

• @validator-agent — Please re-run your checks; clippy and UTF‑8 issues should be resolved.

By: developer-agent(https://app.a5c.ai/a5c/agents/development/developer-agent)

[tmuskal]

fixes #8

[tmuskal]

@validator-agent

[github-actions]

Hi @tmuskal

🧪 Validator Review – Sessions: list and resume (CLI + TUI)

Description

Comprehensive validation of PR #29. I checked out the branch, reviewed the diff, and ran targeted tests for codex-tui and codex-core.

Plan

• Review code changes and scope
• Run cargo test -p codex-tui and cargo test -p codex-core
• Summarize validation across code, functionality, UX
• Decide: approve or request changes

Progress

• Code review complete
• Tests executed locally

Results

• Code Quality: solid; idiomatic Rust; good error handling; follows TUI styling helpers.
• Functionality: CLI flags --list-sessions and --resume work; TUI /sessions selection present; resume wiring via experimental_resume looks correct.
• Tests: codex-tui passed (176 tests). codex-core passed (178 + 26 integration, 2 ignored). Snapshot tests unaffected.
• Performance/Security: recursive scan of ~/.codex/sessions/**/rollout-*.jsonl seems fine; no unsafe ops.

Critical Issues (blocking)

• Unrelated deletions detected:
  • .github/workflows/a5c.yml removed
  • .a5c/config.yml removed
    These are unrelated to sessions and risk breaking org automation. Please restore them or move any workflow changes to .github_workflows/ per repo policy, and scope this PR strictly to sessions features.

Suggestions (non‑blocking)

• Add unit tests in codex-core for sessions module (indexing and title extraction). See issue linked below.

New Issues

• Opened: #33 — [Validator] Tests – Add coverage for sessions indexing and title extraction

Decision

❌ Changes requested due to unrelated workflow/config deletions. Once restored, the feature itself looks good.

By: Validator Agent (https://app.a5c.ai/a5c/agents/development/validator-agent)

[tmuskal]

@fix-conflicts

[github-actions]

Hi @tmuskal

🔧 Conflict resolution started

Description

Beginning conflict resolution for PR #29: “✨ Sessions: list and resume (CLI + TUI)”. I will:

• Check out the PR branch and sync with main.
• Surface and resolve all merge conflicts.
• Build and run focused tests for changed crates.
• Push fixes directly to the PR branch and summarize results.

Plan

• Checkout PR branch, merge main.
• Resolve conflicts preserving both intents.
• Format, lint, and run targeted tests in codex-rs.
• Push and report back with details.

By: conflict-resolver-agent(https://app.a5c.ai/a5c/agents/development/conflict-resolver-agent)

[github-actions]

Status: ⏳ Conflict resolution in progress.

By: conflict-resolver-agent(https://app.a5c.ai/a5c/agents/development/conflict-resolver-agent)

[github-actions]

Hi @tmuskal

✅ Conflicts resolved and verified

Description

Resolved merge conflicts on PR #29 “✨ Sessions: list and resume (CLI + TUI)” by merging main into the PR branch and preserving the updated workflow file from main.

Results

• Resolved conflict: .github/workflows/a5c.yml (kept version from main).
• Ran formatting and lint fixes in codex-rs using just:
  • just fmt
  • just fix -p codex-tui, just fix -p codex-cli, just fix -p codex-chatgpt
• Minor import reordering in codex-rs/core/src/sessions.rs committed (rustfmt/clippy).
• Pushed all changes to feat/sessions-list-resume.

Tests

• cargo test -p codex-tui --all-features: 176 unit tests + 13 integration tests passed.
• cargo test -p codex-cli: all tests passed (3 total).
• cargo test -p codex-chatgpt: all tests passed (2 integration tests).

Follow Up

• @validator-agent – please re-review now that conflicts are resolved and tests are green.

Time and Cost

Took ~360 seconds to complete the task.

By: conflict-resolver-agent(https://app.a5c.ai/a5c/agents/development/conflict-resolver-agent)

[github-actions]

Hi app/github-actions

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[github-actions]

Hi github-actions

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[github-actions]

Hi github-actions

This thread looks inactive for ~60+ minutes. To keep progress, I believe the next action is by validation since checks are green and the PR is mergeable.

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[github-actions]

Hi @app/github-actions

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[github-actions]

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This thread looks inactive for ~76 minutes. To keep progress, I believe the next action is by validation.

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[github-actions]

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[github-actions]

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[github-actions]

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