chore(release): 0.2.6

[neiii]

Summary

• Bump version to 0.2.6 and update changelog for changes since 0.2.5 (fix(profiles): implement complete profile resource isolation #24, fix(perf): resolve TUI and profile switching performance issues #25).
• Make config manager tests deterministic by serializing BRIDLE_CONFIG_DIR env var setup/teardown under parallel test execution.

Testing

• cargo fmt -- --check
• cargo clippy -- -D warnings
• cargo test

Notes

After merge, tag 0.2.6 off master.

[neiii]

@greptile

[greptile-apps]

Greptile Overview

Greptile Summary

This is a clean release preparation PR that bumps the version to 0.2.6 and addresses test infrastructure improvements.

Key Changes:

• Version bumped from 0.2.5 to 0.2.6 across Cargo.toml and Cargo.lock
• CHANGELOG updated with references to PRs #24 and #25 (TUI performance and resource isolation fixes)
• Test determinism fix: replaced reliance on --test-threads=1 with proper mutex-based synchronization for BRIDLE_CONFIG_DIR env var in parallel tests
• Issue tracker updated with 3 closed Crush harness-related issues

Test Infrastructure Improvement:
The config manager tests now use a TestEnvGuard RAII pattern with a static mutex lock to serialize environment variable setup/teardown. This ensures safe parallel test execution without relying on external flags. The implementation properly restores previous env var state on drop, preventing test isolation issues.

Confidence Score: 5/5

• This PR is safe to merge - it's a standard release preparation with proper test infrastructure improvements
• All changes are straightforward: version bump, changelog update, and a well-implemented test synchronization fix. The test fix replaces unsafe reliance on single-threaded test execution with proper mutex-based synchronization. No production code changes, only test infrastructure improvements.
• No files require special attention

Important Files Changed

File Analysis

Filename	Score	Overview
Cargo.toml	5/5	Version bumped from 0.2.5 to 0.2.6 - standard semantic version increment
CHANGELOG.md	5/5	Added 0.2.6 release entry documenting TUI performance and resource isolation fixes
src/config/manager/mod.rs	5/5	Implemented thread-safe test environment with mutex-guarded env var setup/teardown for parallel testing

Sequence Diagram

sequenceDiagram
    participant Test as Test Function
    participant Guard as TestEnvGuard
    participant Lock as TEST_ENV_LOCK (Mutex)
    participant Env as Environment Variables
    
    Test->>Guard: setup_test_env(temp_dir)
    Guard->>Lock: lock().unwrap()
    Lock-->>Guard: MutexGuard acquired
    Guard->>Env: var_os("BRIDLE_CONFIG_DIR")
    Env-->>Guard: prev (current value or None)
    Guard->>Env: set_var("BRIDLE_CONFIG_DIR", test_path)
    Guard-->>Test: TestEnvGuard { _lock, prev }
    
    Note over Test: Test executes with<br/>isolated env var
    
    Test->>Guard: (drop at end of scope)
    Guard->>Env: restore previous value or remove_var
    Guard->>Lock: (MutexGuard dropped)
    Lock-->>Lock: mutex released for next test

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[greptile-apps]

Greptile Overview

Greptile Summary

This release PR bumps the version to 0.2.6 and implements a critical fix for test determinism under parallel execution.

Key Changes:

• Version bumped from 0.2.5 to 0.2.6 across Cargo.toml, Cargo.lock
• Changelog updated with references to PRs #24 (profile resource isolation) and #25 (TUI/profile switching performance)
• Test synchronization implemented using a global mutex (TEST_ENV_LOCK) to serialize BRIDLE_CONFIG_DIR environment variable access across 16 parallel tests
• RAII guard pattern (TestEnvGuard) ensures proper cleanup and restoration of environment variables even on test failure/panic

Technical Implementation:
The test fix uses OnceLock<Mutex<()>> to ensure only one test at a time can modify the BRIDLE_CONFIG_DIR environment variable. The TestEnvGuard struct holds the mutex guard and the previous environment value, automatically restoring it via the Drop trait. This prevents race conditions that could cause non-deterministic test failures when tests run in parallel.

The solution properly handles three cases: (1) env var previously set, (2) env var not set, and (3) panic during test execution. All 16 affected tests now use the let _env = setup_test_env(&temp) pattern to ensure proper serialization.

Confidence Score: 5/5

• This PR is safe to merge with no identified issues
• This is a well-executed release PR with appropriate version bumping, changelog updates, and a focused test reliability fix. The test synchronization implementation uses established Rust patterns (OnceLock, Mutex, RAII guards) correctly. All changes are low-risk: version metadata updates and test infrastructure improvements that don't affect runtime code.
• No files require special attention

Important Files Changed

File Analysis

Filename	Score	Overview
CHANGELOG.md	5/5	Added version 0.2.6 entry with references to PRs #24 and #25 - changelog follows Keep a Changelog format
Cargo.toml	5/5	Version bumped from 0.2.5 to 0.2.6 - standard semantic versioning update
src/config/manager/mod.rs	5/5	Implemented test synchronization using mutex-guarded env var setup/teardown via RAII guard pattern - makes parallel tests deterministic

Sequence Diagram

sequenceDiagram
    participant Dev as Developer
    participant CI as CI Pipeline
    participant Cargo as Cargo Build
    participant Tests as Test Suite
    
    Dev->>Dev: Update version to 0.2.6
    Dev->>Dev: Update CHANGELOG.md
    Dev->>Dev: Add test synchronization
    Dev->>CI: Push changes
    CI->>Cargo: cargo fmt --check
    Cargo-->>CI: ✓ Format OK
    CI->>Cargo: cargo clippy -D warnings
    Cargo-->>CI: ✓ No warnings
    CI->>Tests: cargo test (parallel)
    Note over Tests: TEST_ENV_LOCK serializes<br/>BRIDLE_CONFIG_DIR access
    Tests->>Tests: Test 1 acquires mutex
    Tests->>Tests: Test 1 sets env var
    Tests->>Tests: Test 1 executes
    Tests->>Tests: Test 1 restores env (Drop)
    Tests->>Tests: Test 2 acquires mutex
    Tests->>Tests: Test 2 sets env var
    Tests-->>CI: ✓ All tests pass
    Dev->>Dev: Tag 0.2.6 after merge

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