feat(cli-executor): add streaming option and enhance output handling

- Introduced a `stream` parameter to control output streaming vs. caching.
- Enhanced status determination logic to prioritize valid output over exit codes.
- Updated output structure to include full stdout and stderr when not streaming.

feat(cli-history-store): extend conversation turn schema and migration

- Added `cached`, `stdout_full`, and `stderr_full` fields to the conversation turn schema.
- Implemented database migration to add new columns if they do not exist.
- Updated upsert logic to handle new fields.

feat(codex-lens): implement global symbol index for fast lookups

- Created `GlobalSymbolIndex` class to manage project-wide symbol indexing.
- Added methods for adding, updating, and deleting symbols in the global index.
- Integrated global index updates into directory indexing processes.

feat(codex-lens): optimize search functionality with global index

- Enhanced `ChainSearchEngine` to utilize the global symbol index for faster searches.
- Added configuration option to enable/disable global symbol indexing.
- Updated tests to validate global index functionality and performance.

.claude/commands/workflow/lite-plan.md

@@ -38,7 +38,7 @@ Phase 1: Task Analysis & Exploration
    ├─ Parse input (description or .md file)
    ├─ intelligent complexity assessment (Low/Medium/High)
    ├─ Exploration decision (auto-detect or --explore flag)
-   ├─ ⚠️ Context protection: If file reading ≥50k chars → force cli-explore-agent
+   ├─ Context protection: If file reading ≥50k chars → force cli-explore-agent
    └─ Decision:
       ├─ needsExploration=true → Launch parallel cli-explore-agents (1-4 based on complexity)
       └─ needsExploration=false → Skip to Phase 2/3