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Changelog

All notable changes to this project are documented in this file.

The format follows Keep a Changelog, and versions follow SemVer/PEP 440.

[0.4.2] — 2026-02-22

Added

  • IM key-based chat authorization: dynamic bind-key authentication for IM bridges, replacing static trust with per-chat cryptographic binding. Includes /bind command, auto-subscribe on successful bind, pending approval management, and revoke semantics.
  • cccc_im_bind MCP tool: programmatic chat authorization via the MCP surface.
  • Authorized chats Web UI: view/manage bound IM chats and pending bind approvals from Settings → IM Bridge tab.
  • Bind key UI: generate and display bind keys for chat authorization directly from Web settings.
  • Actor profiles system: profile linking across daemon, Web, and MCP — including profile runtime, persistent store, and a dedicated Actor Profiles settings tab.
  • Remote access control plane: remote daemon access with hardened IM revoke semantics for secure multi-node operation.
  • Telegram typing indicators: typing action support with configurable throttling for more natural conversational UX.
  • IM authentication IPC documentation: new standards doc covering IM auth IPC methods.

Changed

  • IM display names: prefer actor titles over raw actor IDs in IM-rendered messages for better readability.
  • Modal UX refinements: extracted modal close handlers and adjusted inbox modal height for cleaner interaction.

Fixed

  • Fixed MCP message send incorrectly collapsing None recipients to empty list, breaking broadcast semantics.
  • Fixed authorized_at timestamp handling in IM Web UI.
  • Fixed IM KeyManager state not reloading from disk on each inbound poll, causing stale authorization data.
  • Fixed docs incorrectly requiring post-bind /subscribe step (now handled automatically).

[0.4.1] — 2026-02-20

Added

  • Actor lifecycle event coverage: daemon streaming now emits fuller actor/group lifecycle transitions for better observability and downstream automation hooks.
  • Secret safety UX upgrade: actor secret keys now support masked previews in Web edit flows, improving operator confidence without exposing plaintext.
  • Branding assets refresh: project logos were added and integrated into Web/README surfaces for consistent distribution identity.

Changed

  • Automation idle semantics were aligned with explicit group-state behavior, reducing ambiguity in scheduled reminder execution during idle mode.
  • Terminal safety hardening: resize and related terminal maintenance paths were tightened to avoid unstable behavior in mixed runtime conditions.
  • Docs and onboarding were updated to match current v0.4 behavior, including SDK entry points, release hub linking, and refreshed top-level README content.

Fixed

  • Fixed lifecycle edge cases where actor/group state transitions and event emission could diverge.
  • Fixed multiple test-surface instability points (especially MCP/environment isolation), improving release reproducibility.

[0.4.0] — 2026-02-16

Added

  • Chat-native orchestration model: operators can assign and coordinate work in a persistent Web conversation, with full delivery/read/ack/reply state tracking.
  • External IM extension of the same workflow: Telegram, Slack, Discord, Feishu/Lark, and DingTalk bridges allow the same group control model outside the browser.
  • Prompt-configurable multi-agent workflow design: guidance prompts and automation rules become first-class workflow controls instead of ad-hoc conventions.
  • Bi-directional orchestration capability: CCCC schedules agents, and agents can schedule/manage CCCC workflows via MCP tools under explicit boundaries.
  • Append-only ledger truth model: every group event is persisted in groups/<group_id>/ledger.jsonl for replayable, auditable operations.
  • Structured automation engine: interval/recurring/one-time triggers with typed actions (notify, group_state, actor_control) for operational delegation.
  • Accountable messaging semantics: read cursors, acknowledgement paths, and reply-required obligations for high-signal collaboration.

Changed

  • Generation shift from v0.3: replaced the tmux-first operating model with a daemon-first collaboration kernel and versioned contracts.
  • Control-plane unification: Web/CLI/MCP/IM now operate on one shared state model (thin ports, daemon-owned truth).
  • Runtime state standardization: operational state is managed under CCCC_HOME (default ~/.cccc/) instead of repository-local state.
  • Operating workflow modernization: day-to-day usage aligns around attach / actor / group / send / mcp over tmux-era command patterns.

Fixed

  • Reliability hardening across RC cycles for delivery flow, automation execution, reconnect/resume handling, and registry normalization.
  • Stability and UX fixes in Web interactions (including mobile operation and composer/tasking flows).
  • MCP/docs/CLI parity drift reduced through dedicated guardrail tests.

Removed

  • Deprecated tmux-first orchestration line from active mainline development (archived at cccc-tmux).

[0.4.0rc21] — 2025-07-24

Added

  • Web i18n framework: integrated react-i18next with namespace-based locale loading (common, layout, chat, modals, actors, settings) and automatic browser language detection.
  • Chinese (zh) locale: complete Simplified Chinese translation across all 6 namespaces (735 keys), with native-level phrasing review and unified typography (full-width ：, Unicode …).
  • Japanese (ja) locale: complete Japanese translation across all 6 namespaces (735 keys), with native-level phrasing review and unified typography (full-width ：, Unicode …, full-width ？).
  • Language switcher UI: minimal trigger button showing only short label (EN/中/日), positioned at the rightmost of the header; dropdown panel with scale-in animation and left accent bar for active item; React Portal for proper positioning.
  • i18n key parity test: automated test to verify all locale files have identical key sets across languages.

Changed

  • LanguageSwitcher refactored from cycle-button to professional popover dropdown.
  • Language switcher moved to header rightmost position (after Settings button) with separator.
  • Shared language configuration extracted to languages.ts.
  • README overhaul with comprehensive project details, architecture, features, and quick start guide.
  • Installation instructions updated to use TestPyPI for release candidates.
  • Docker Claude config updated with bypass permissions flag.

Fixed

  • Chinese locale encoding unified from \uXXXX escape sequences to direct Unicode characters.
  • Chinese translation quality: 忙碌中→处理中, 义务状态→回复状态, 编辑器→输入框, 代码片段→模板.
  • Japanese colon typography: 39 instances of half-width : after CJK characters corrected to full-width ：.
  • to label in chat kept as English "To" in ZH/JA (international convention).
  • Misleading "Clipboard" label corrected to "Context" in EN/ZH/JA layout.

[0.4.0rc20] — 2026-02-13

Added

  • Daemon modularization: extracted monolithic server.py into 22+ focused ops modules with full dispatch orchestration (request_dispatch_ops.py), preserving identical logic with callback injection for all external dependencies.
  • MCP parity guardrails: toolspec dispatch parity test, schema guard test, CLI reference parity test, and web automation docs parity test.
  • MCP toolspec normalization: consistent indentation and formatting across all 1400+ lines of tool definitions.
  • Web UI component extraction: ModalFrame, SettingsNavigation, ContextSectionJumpBar, ProjectSavedNotifyModal, ScopeTooltip extracted from monolithic modal files.
  • Docker deployment guide with custom API endpoint configuration and proxy handling.
  • Access-token authentication gate and non-root Docker user support.
  • Auto-wake disabled recipients: agents are automatically started when they receive a message.
  • Message mode selector in the Web UI composer; reply-required workflow with digest nudges.
  • DingTalk enhancements: message deduplication, file sending via new API, stream mode documentation.
  • IM bridge improvements: proxy environment variable passthrough, implicit send behavior clarification.
  • cccc_group_set_state MCP tool now accepts stopped (mapped to group_stop).

Changed

  • Daemon ops modules use dependency injection (callbacks) instead of global imports for testability.
  • Serve loop extracted to serve_ops.py; socket protocol to socket_protocol_ops.py.
  • MCP dispatcher split by namespace; tool schemas extracted from handler code.
  • Web Settings: AutomationTab split into focused subcomponents.
  • Runtime behavior tests made runner-independent for cross-platform CI.
  • Registry auto-cleans orphaned entries on group load failures.
  • Release and standards docs aligned to version-agnostic examples.

Fixed

  • Orphaned PTY actor processes cleaned up on daemon restart.
  • Mobile modal UX regressions (composer, runtime selectors).
  • Template import now correctly handles auto_mark_on_delivery.
  • Tooltip ref callback stability in Web UI.
  • reply_required correctly coerced to boolean in MCP message send.

[0.4.0rc18]

Notes

  • Release candidate baseline before the rc19/rc20 quality-convergence cycle.
  • Established append-only ledger, N-actor model, MCP tool surface, Web UI console, and IM bridge architecture.