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Added

  • Code syntax highlighting — Chat code blocks now use Shiki for language-aware syntax highlighting
  • Chat context meter — New ChatContextMeter component showing context window usage during agent sessions
  • Chat turn divider — Visual separator between conversation turns for easier readability
  • Chat surface theming — New theme token system for chat UI surfaces
  • Chat hooks extraction — Six dedicated hooks extracted from the monolithic AgentChatPane: composer state, events, sessions, draft persistence, draft store, and runtime state derivation
  • Session recovery — New module handling agent chat session recovery with cooldown logic
  • Gitleaks secret scanning — Added to CI pipeline with custom config, preventing accidental secret commits
  • Auto-rebase service tests — New 699-line test suite for comprehensive rebase coverage

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Changed

  • AgentChatPane overhaul — Reduced from a monolith to a leaner orchestrator (-1,200+ lines) with logic extracted into the six new hooks
  • Chat composer — Added 10 MB attachment size limit with user-facing error UI
  • Agent chat service — Improved bootstrap, steer queue messaging, and Windows drive-letter path normalization
  • Model registry — Substantial refactor for improved model resolution and metadata handling
  • Run page — Fixed duplicate inspector terminal creation when starting multiple targets simultaneously
  • IPC security hardening — path.reveal handler now only allows a small set of safe directories (project, downloads, documents, temp), blocking arbitrary filesystem traversal
  • Lane delete labels — Improved button labels for mixed attached/non-attached lane selections in ManageLaneDialog

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Fixed

  • Stale model metadata — Model resolution falls back to the hydrated model ID when the persisted ID is missing
  • Session recovery cooldown — Cooldown enforced only after max recovery attempts, preventing premature blocking
  • Duplicate inspector terminals — Run page no longer creates duplicate terminals for already-running processes
  • Hidden advanced fields — AddCommandDialog only populates advanced fields when the advanced section is visible

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Removed

  • Deprecated permissionMode parameter — Removed from CTO operator tools; all callers now use unifiedPermissionMode
  • Unused IPC/preload exports — Removed unused channel and bridge entries