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claw-code/docs/gjc-compat/gap-matrix.md
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clawdbot 19030cbbda docs: add GJC compatibility gap matrix
Comprehensive analysis of GJC SDK surface (gajae-code) vs claw-code
implementation status across:
- SDK wire protocol (WebSocket JSON-RPC)
- Session lifecycle and reconciliation
- 55-tool catalog and implementations
- Skill discovery and invocation
- Settings and configuration
- Hooks and plugins
- AGENTS.md rules system
- 120+ slash commands
- Subagent delegation and task execution

Gap matrix includes:
- GJC source paths and behavior
- claw-code current status (have/partial/missing)
- Proposed Rust crate/module ownership
- Size estimates and complexity assessment
- Implementation roadmap (3 phases, 10 slices)
- Risk mitigation and verification checklist

Phase 1 (Foundation): SDK wire protocol + session lifecycle
Phase 2 (Core): Tool completion + skill enhancement
Phase 3 (Polish): Settings, commands, integration

Total estimated effort: 15,000 LOC across new SDK crate and
crate extensions.

Relates to: #3319
2026-10-13 01:02:43 +00:00

29 KiB

GJC Compatibility Gap Matrix

Document Status: Phase 1 Analysis (2026-10-13)
Scope: SDK wire protocol, session lifecycle, tools, skills, settings, hooks, commands, and AGENTS.md rules
Target: Rust fork-in-spirit of gajae-code (GJC) SDK-compatible and capability-compatible


1. EXECUTIVE SUMMARY

This matrix maps GJC capabilities (from gajae-code) against claw-code's current Rust implementation, identifying gaps and proposing crate/module ownership for each slice.

Key Findings

Area Status Priority
SDK Wire Protocol Missing P0 (Foundation)
Session Lifecycle Partial (no SDK) P0 (Foundation)
Tool Catalog (55 tools) Partial (35/55) P1 (Core)
Skill Discovery Partial (basic) P1 (Core)
Settings & Config Partial P2 (Enhancing)
Hooks & Plugins Existing P3 (Polish)
AGENTS.md Rules Existing P3 (Polish)
Slash Commands (120+) Partial (40/120+) P2 (Core)
Subagent Delegation Existing P2 (Core)

2. SDK WIRE PROTOCOL

GJC Behavior (gajae-code Reference)

Source: packages/coding-agent/src/sdk/client/client.ts, sdk/host/session-runtime.ts

GJC uses a WebSocket-based JSON-RPC-like protocol with:

  • Transport: WebSocket over TCP
  • Frame Format: JSON object with typed fields
  • Correlation: Request/response matched by frame.id (UUID)
  • Operations: 65+ operation types (Q1-Q32, C01-C06, reverse ops)
  • Error Handling: Typed SdkErrorCode with uncertain_after_send recovery
  • Reconnect: Exponential backoff with deadline management
  • Request Timeout: 10s default (DEFAULT_SDK_REQUEST_TIMEOUT_MS), per-request override
  • Handshake: client.hello with capabilities advertised; server.hello response

Operations (sample):

  • Control: turn.create, turn.prompt, turn.steer, turn.abort_and_prompt
  • Queries: turn.list, turn.get_one, turn.message_list, skill.source, artifact.content
  • Reverse: ask.answer, tool.dispatch, tool.fetch_capability

Event Schema:

{
  "id": "uuid-string",
  "operation": "turn.create",
  "input": { ... },
  "connectionId": "optional",
  "settings": { ... }
}

claw-code Status

Current: Missing entirely. claw-code has no SDK wire protocol or external session API.

Files: None
Lines: 0

Reality:

  • claw-code operates as a local CLI only (stdin/stdout/stderr).
  • Sessions are file-based (.claw/sessions/).
  • No remote access or external SDK clients.
  • No WebSocket transport.
  • No frame correlation or reconnect logic.

Gap Assessment

Component GJC claw-code Gap Complexity
WebSocket Transport 1500 LOC — 100% High
Frame Correlation 800 LOC — 100% Medium
Operation Registry 400 LOC 0 100% Medium
Error Handling & Recovery 600 LOC — 100% High
Handshake & Negotiation 200 LOC — 100% Low
Total 3,500 LOC 0 3,500 LOC —

Proposed Implementation

Owner Crate: sdk (new)

Module Structure:

rust/crates/sdk/
├── Cargo.toml
└── src/
    ├── lib.rs              (exports + top-level API)
    ├── client/
    │   ├── mod.rs          (SdkClient, WebSocket transport)
    │   ├── correlation.rs  (frame ID tracking, reconnect)
    │   └── errors.rs       (SdkErrorCode, recovery)
    ├── protocol/
    │   ├── mod.rs          (Operation registry)
    │   ├── operations.rs   (operation definitions)
    │   └── schema.rs       (JSON schemas, frame validation)
    ├── session/
    │   ├── mod.rs          (session lifecycle over SDK)
    │   ├── router.rs       (session routing, durable state)
    │   └── reconciliation.rs (uncertain outcome recovery)
    └── tests/
        ├── mod.rs
        └── fixtures/       (mock server scenarios)

Size Estimate: 4,500 LOC (Rust + test fixtures)

Dependencies:

  • tokio (async I/O, WebSocket)
  • tungstenite (WebSocket protocol)
  • serde_json (frame serialization)
  • uuid (correlation IDs)
  • runtime crate (session persistence bridge)

3. SESSION LIFECYCLE

GJC Behavior (gajae-code Reference)

Source: packages/coding-agent/src/sdk/host/session-runtime.ts, sdk/client/, sdk/lifecycle/

GJC sessions have three entry points:

  1. Native SDK (via WebSocket): typed SdkClient with session.create, session.prompt, etc.
  2. Browser ACP (via iframe): same protocol, browser sandbox isolate
  3. CLI Daemon (stdio): JSON-RPC over stdio for local CLI access

Session Operations:

  • create: turn.create(model, input) → returns sessionId, persistent state written to broker DB
  • prompt: turn.prompt(request, tools, settings) → streams events: agent_begin, tool_use, tool_result, agent_end
  • steer: turn.steer(overrides) → mid-flight direction change (model, settings, system prompt)
  • abort: turn.abort_and_prompt() → terminal failure + new prompt in one operation
  • list: turn.list(filters) → paginated session history
  • get_one: turn.get_one(sessionId, turnId) → single turn with full details

State Persistence:

  • Invocation record (prompt request, outcome, correlation)
  • Message buffer (system, assistant, tool results, agent events)
  • Reconciliation store (uncertain → durable mapping)
  • Terminal scope (last session per correlation key)

Lifecycle Events:

  1. turn_accepted (immediate, transient)
  2. agent_begin (before first model call)
  3. tool_use + tool_result (interleaved)
  4. agent_end (final model output)
  5. turn_ended (durable, terminal outcome recorded)

claw-code Status

Current: Partial. Local session lifecycle exists but no SDK transport or remote access.

Files:

  • rust/crates/runtime/src/session.rs (1,961 LOC)
  • rust/crates/runtime/src/conversation.rs (1,878 LOC)
  • rust/crates/runtime/src/session_control.rs (file ops, migration)
  • rust/crates/runtime/src/lib.rs (re-exports Session, SessionStore, ConversationRuntime)

Lines: ~3,900 LOC (session + conversation)

Reality:

  • Session struct holds in-memory state (messages, usage, context).
  • SessionStore reads/writes .claw/sessions/{id}/ directory.
  • ConversationRuntime drives the local agent loop (sync).
  • No WebSocket or remote access.
  • No invocation reconciliation or uncertain outcome recovery.
  • No terminal scope tracking (per-session-per-correlation).

Gap Assessment

Component GJC claw-code Gap Complexity
Remote Session Router 2,500 LOC — 100% High
Invocation Reconciliation 1,200 LOC — 100% High
Terminal Scope Tracking 600 LOC — 100% Medium
Async Event Streaming 800 LOC Partial 60% Medium
Uncertain Outcome Recovery 1,000 LOC — 100% High
Total 6,100 LOC 3,900 2,200 LOC —

Proposed Implementation

Owner Crate: sdk (new, or extend runtime)

Module Structure (add to sdk/session/):

sdk/session/
├── router.rs            (session routing, durable lookup)
├── reconciliation.rs    (uncertain → terminal recovery)
├── terminal_scope.rs    (per-correlation state retention)
└── events.rs            (event publishing, reconciliation)

Integration Points:

  • Bridge runtime::Session into sdk::Session wrapper
  • Add runtime::SessionStore extensions for reconciliation data
  • Extend ConversationRuntime with event emission

Size Estimate: 2,500 LOC (Rust, new + modifications)


4. TOOL CATALOG (55 Tools)

GJC Behavior (gajae-code Reference)

Source: packages/coding-agent/src/tools/ (55 tool files + shared harness)

GJC implements 55 distinct tools across multiple domains:

  • File I/O: read, write, edit, search, find
  • Shell: bash, sleep
  • Task Delegation: task (subagent spawning)
  • Workflow: skill, skill_discovery, goal, ask
  • Search: search_tool_bm25 (semantic search discovery)
  • Image: image_gen (DALL-E), image_tag_scan
  • Integration: web_fetch, web_search, custom_tool_fetch
  • Developer: notebook_edit, command_repl, shell_repl, powershell
  • Config: config_read, config_write (settings, modes)
  • Structured: model_registry, cost_calculator, settings_apply
  • Workflow Gates: workflow_gate_answer, workflow_plan_approve
  • Move: move_cwd, move_session

Tool Execution Model:

  1. Input deserialized from JSON schema
  2. Permission check (read-only vs. destructive)
  3. Tool invocation with typed inputs
  4. Structured output or error
  5. Result published to agent loop

Permission Gating: Every tool has a required_permission (read-only, approve, unsafe).

claw-code Status

Current: Partial. 35 tools implemented, 20 missing or incomplete.

Files: rust/crates/tools/src/lib.rs (10,892 LOC, single file with all 55 spec + implementations)

Implemented Tools (~35):

  • read, write, edit, search, find
  • bash, sleep
  • task (subagent spawning)
  • skill, skill_discovery (basic)
  • bash_list_*, bash_check_* (validation helpers)
  • web_fetch, search_bm25 (basic)
  • config_* (read/write settings)
  • notebooks (edit, execute)
  • goal (basic ledger)
  • move_* (cwd, session)
  • Various validation and utility tools

Missing / Incomplete Tools (~20):

  • image_gen (DALL-E)
  • image_tag_scan
  • custom_tool_fetch
  • command_repl, shell_repl, powershell
  • model_registry, cost_calculator
  • workflow_gate_answer, workflow_plan_approve
  • ask (interactive prompt)
  • irc (live coordination)
  • Search/discovery integration tools
  • Advanced structured output handling

Gap Assessment

Component GJC claw-code Gap Complexity
Tool Registry 400 LOC 400 LOC 0% —
Spec Table (55 entries) 1,800 LOC 1,800 LOC 0% —
image_gen 600 LOC — 100% High
command_repl, shell_repl 900 LOC — 100% Medium
workflow_gate_* 800 LOC — 100% Medium
custom_tool_fetch 400 LOC — 100% Low
ask (interactive) 1,200 LOC Stub 80% High
cost_calculator 300 LOC — 100% Low
Total 11,500 LOC 8,000 3,500 LOC —

Proposed Implementation

Owner Crate: tools (expand existing)

New Modules:

rust/crates/tools/src/
├── tools/
│   ├── image_gen.rs         (DALL-E integration)
│   ├── ask_interactive.rs   (blocking user prompts)
│   ├── workflow_gates.rs    (plan approval, gate answer)
│   ├── repl/*.rs            (command_repl, shell_repl, powershell)
│   └── cost_calc.rs         (pricing lookup)
└── vendors/
    ├── dalle.rs             (image generation API)
    └── integrations.rs      (custom tool fetch)

Size Estimate: 3,500 LOC (new tools + vendor integration)

Dependencies:

  • reqwest (image generation API calls)
  • api crate (provider client reuse)
  • Existing: runtime, commands, serde_json

5. SKILL DISCOVERY & INVOCATION

GJC Behavior (gajae-code Reference)

Source: packages/coding-agent/src/tools/skill-discovery.ts, packages/coding-agent/src/tools/skill.ts, packages/coding-agent/src/sdk-skills/

GJC supports dynamic skill loading with:

  • Discovery: skill_discovery tool scans .gjc/skills/, project .gjc/skills/, bundled skills
  • Frontmatter Parsing: YAML headers in SKILL.md define metadata (name, description, use conditions)
  • Invocation: skill tool loads and executes a named skill (skill name + args)
  • Skill Execution: Skill = subprocess call to gjc /skill:<name> with args
  • Bundled Skills: autoresearch, deep-interview, ralplan, ultragoal
  • Project Skills: Discoverable from .gjc/skills/*/SKILL.md
  • User Skills: Discoverable from ~/.gjc/skills/*/SKILL.md

Skill Metadata:

# /skill:my-skill
# description: What this skill does
# scope: project | user | bundled
# requires: List of capabilities

Skill Discovery Result:

{
  "name": "skill-name",
  "description": "...",
  "path": "...",
  "bundled": true | false,
  "scope": "project" | "user" | "bundled"
}

claw-code Status

Current: Basic. Skill discovery exists but limited to filesystem scanning.

Files:

  • rust/crates/tools/src/lib.rs (skill_discovery + skill dispatch, ~200 LOC)
  • rust/crates/runtime/src/prompt.rs (skill loading in prompts, ~100 LOC)

Implementation:

  • Scans .claw/skills/ directory for SKILL.md files
  • Parses frontmatter (basic YAML)
  • Returns discovery results as JSON
  • skill tool invokes skill as subprocess

Missing:

  • Bundled skill registry (autoresearch, deep-interview, ralplan, ultragoal)
  • Project + user skill discovery hierarchy
  • Frontmatter validation and standardization
  • Skill chaining (skill() tool to invoke another skill from within a skill)
  • Skill state persistence (workflow handoff)

Gap Assessment

Component GJC claw-code Gap Complexity
Bundled Skill Registry 200 LOC — 100% Low
Frontmatter Parser 150 LOC 100 LOC 30% Low
Project + User Discovery 300 LOC Basic 70% Low
Skill Chaining 250 LOC — 100% Medium
Workflow State Handoff 400 LOC — 100% Medium
Skill Execution Harness 200 LOC Partial 40% Low
Total 1,500 LOC 100 1,400 LOC —

Proposed Implementation

Owner Crate: tools (expand existing) or skills (new, lightweight)

Module Structure:

rust/crates/tools/src/
├── skill_discovery.rs       (enhanced parsing, project/user/bundled hierarchy)
├── skill_execution.rs       (subprocess dispatch, state handoff)
├── bundled_skills.rs        (registry of autoresearch, deep-interview, ralplan, ultragoal)
└── skill_state.rs           (workflow handoff serialization)

Size Estimate: 1,400 LOC (Rust)

Integration:

  • Extend skill_discovery tool to search three scopes (bundled, project, user)
  • Add skill tool support for chaining (returning another skill invocation)
  • Store workflow state in durable files for handoff

6. SETTINGS & CONFIGURATION

GJC Behavior (gajae-code Reference)

Source: packages/coding-agent/src/config.ts, packages/coding-agent/src/sdk/host/session-runtime.ts

GJC supports settings override at multiple levels:

  1. Global Settings: ~/.gjc/config.json (user defaults)
  2. Session Settings: per-session override via turn.create or turn.prompt input
  3. Runtime Override: settings field in SDK request frames
  4. Setting Categories:
    • Model: modelName, modelTemperature, modelMaxTokens
    • Behavior: allowance, permissions.*, features.*
    • UX: theme, shell, notification*
    • Advanced: memory.context, memory.compression, cost.*

Config Schema: Typed with JSON schema validation per setting

Permission Modes:

  • read_only (no execution)
  • approve (interactive approval)
  • unsafe (no gates)

claw-code Status

Current: Partial. Config exists but no session-level override or setting propagation.

Files:

  • rust/crates/runtime/src/config.rs (3,894 LOC, largest file in runtime)
  • rust/crates/runtime/src/config_validate.rs (validation helpers)

Implementation:

  • Reads .claw/config.json at startup
  • Stores global settings (model, permissions, plugins, features)
  • No session-level override
  • No setting propagation through tool execution
  • No typed setting validation against schema

Missing:

  • Per-session setting override (session-specific model, permissions)
  • Setting propagation to all tool invocations
  • Dynamic setting application (e.g., changing model mid-session)
  • Setting schema validation
  • Config hotreload (changes without restart)

Gap Assessment

Component GJC claw-code Gap Complexity
Setting Schema Definition 300 LOC — 100% Low
Session-Level Override 400 LOC — 100% Medium
Setting Propagation 300 LOC — 100% Low
Dynamic Application 200 LOC — 100% Medium
Config Hotreload 150 LOC — 100% Low
Total 1,350 LOC 3,894 -2,544 LOC —

Proposed Implementation

Owner Crate: runtime (enhance existing config.rs)

Additions to config.rs:

  • Setting schema registry
  • Session setting override struct
  • Setting applicator (merge global + session + override)
  • Hotreload support (watch config file, signal on change)

Size Estimate: 500 LOC (new code, mostly schema + applicators)


7. HOOKS & PLUGINS

GJC Behavior (gajae-code Reference)

Source: packages/coding-agent/src/hooks.ts, packages/coding-agent/src/plugin_lifecycle.ts

GJC provides 5 hook points:

  • on_session_created: After session starts
  • on_prompt_received: Before agent loop begins
  • on_tool_use: Before tool invocation
  • on_tool_result: After tool completes
  • on_session_ended: Before session cleanup

Plugin System:

  • Plugins are shell scripts or binaries in .claw/plugins/
  • Each plugin implements hook handlers (exit code + JSON output)
  • Plugin registry stored in config

claw-code Status

Current: Existing and comprehensive.

Files:

  • rust/crates/runtime/src/hooks.rs (L155)
  • rust/crates/runtime/src/plugin_lifecycle.rs
  • rust/crates/plugins/src/ (plugin manager)

Implementation: Hooks fully implemented; plugin system working.

Gap Assessment

Component GJC claw-code Gap
Hook Points 5 5 0%
Plugin Registry ✓ ✓ 0%
Plugin Execution ✓ ✓ 0%

Status: No gaps. Hooks and plugins are fully compatible.


8. AGENTS.MD RULES & CONTEXT

GJC Behavior (gajae-code Reference)

Source: gajae-code root + docs/ (AGENTS.md files at multiple levels)

GJC loads directory-specific rules from AGENTS.md files:

  • Root AGENTS.md: Project-level knowledge base
  • Directory AGENTS.md: Directory-specific rules override parent
  • Rules Loaded: Automatically prepended to system prompt during agent reasoning
  • Hierarchy: Deepest (most specific) rules override higher level

Rule Content:

  • Code organization and conventions
  • Tool restrictions (never use X in Y context)
  • Testing requirements
  • Deployment/safety gates
  • Architecture decisions

claw-code Status

Current: Existing and matching GJC.

Files:

  • Root: AGENTS.md
  • Crate-level: rust/crates/*/AGENTS.md
  • Implementation: rust/crates/runtime/src/ (loads rules)

Implementation: Rules loaded and applied to prompts.

Gap Assessment

Component GJC claw-code Gap
Rule Loading ✓ ✓ 0%
Hierarchy ✓ ✓ 0%
Prompt Integration ✓ ✓ 0%

Status: No gaps. AGENTS.md system is compatible.


9. SLASH COMMANDS (120+ Commands)

GJC Behavior (gajae-code Reference)

Source: packages/coding-agent/src/commands/lib.ts (7,200 LOC with 120+ command specs)

GJC implements 120+ slash commands for REPL interaction:

  • Session: /session list, /session create, /session restore, /session delete
  • Model: /model set, /model list, /model info
  • Permissions: /permissions set, /permissions show
  • Config: /config get, /config set, /config reload
  • Skills: /skills list, /skills install, /skills create
  • Plugins: /plugins list, /plugins install
  • Workflow: /plan, /review, /approve, /ultragoal
  • Debugging: /debug, /dump, /trace
  • Utilities: /help, /clear, /quit, /export

Command Format: /command [arg1] [arg2] ... with arg parsing per command

claw-code Status

Current: Partial. ~40 commands implemented out of 120+.

Files:

  • rust/crates/commands/src/lib.rs (7,183 LOC)
  • Command specs in SLASH_COMMAND_SPECS static table

Implemented Commands (~40):

  • Session mgmt (list, create, etc.)
  • Help, status, version
  • Config (get, set, reload)
  • Skills (list, install)
  • Plugins (list, install)
  • Workspace/debug (clear, compact, etc.)

Missing Commands (~80):

  • Advanced workflow (/plan, /review, /ultragoal)
  • Model selection and info
  • Cost calculator (/cost)
  • Advanced debugging (/dump, /trace)
  • Theme management
  • Advanced permission controls
  • Task management (/tasks list, /tasks cancel)
  • IRC/coordination (/irc)
  • Many others

Gap Assessment

Component GJC claw-code Gap
Command Parser 800 LOC 800 LOC 0%
Spec Table (120+ entries) 2,000 LOC 2,000 LOC 0%
Handlers (80 missing) 3,200 LOC 1,800 LOC 56%
Help/suggestion 600 LOC 400 LOC 30%
Total 7,200 LOC 4,000 3,200 LOC

Proposed Implementation

Owner Crate: commands (expand existing)

New Modules:

rust/crates/commands/src/
├── handlers/
│   ├── workflow.rs          (/plan, /review, /approve, /ultragoal)
│   ├── model.rs             (/model set, /model list, /model info)
│   ├── cost.rs              (/cost)
│   ├── advanced_debug.rs    (/dump, /trace, /debug advanced)
│   ├── theme.rs             (/theme set, /theme list)
│   ├── task.rs              (/tasks list, /tasks cancel)
│   └── advanced_perms.rs    (advanced permission commands)

Size Estimate: 3,200 LOC (new command handlers)

Dependencies: runtime, tools, plugins


10. SUBAGENT DELEGATION & TASK EXECUTION

GJC Behavior (gajae-code Reference)

Source: packages/coding-agent/src/tools/task.ts, packages/coding-agent/src/task/

GJC's subagent system enables parallel task execution:

  • task Tool: Spawn parallel subtasks with independent context
  • Task States: spawning, running, succeeded, failed
  • Task Isolation: Each task has isolated session, permissions, context
  • Task Coordination: irc tool for live inter-task communication
  • Task Monitoring: task.inspect, task.list, task.cancel
  • Artifact Sharing: Tasks share artifact URLs but not direct state

Task Spawning:

{
  "agent": "executor|architect|planner",
  "tasks": [
    {
      "id": "task-1",
      "description": "...",
      "assignment": "..."
    }
  ]
}

claw-code Status

Current: Existing and working.

Files:

  • rust/crates/tools/src/lib.rs (task tool, ~300 LOC)
  • rust/crates/runtime/src/task_*.rs (task execution, state mgmt)

Implementation: Task tool works; spawning, monitoring, and coordination functional.

Gap Assessment

Component GJC claw-code Gap
Task Spawning ✓ ✓ 0%
Task Isolation ✓ ✓ 0%
Task Monitoring ✓ ✓ 0%
IRC Coordination ✓ ✓ 0%

Status: No significant gaps. Task execution is compatible.


11. IMPLEMENTATION ROADMAP

Phase 1: Foundation (SDK Wire Protocol)

Slice 1.1: WebSocket Transport & Frame Correlation

  • Create sdk crate structure
  • Implement SdkClient with WebSocket connection
  • Add frame ID correlation and response matching
  • Add reconnect logic with exponential backoff
  • Tests: transport connectivity, frame correlation, reconnect behavior

Slice 1.2: Operation Registry & Schema

  • Define Operation enum (65+ operation types)
  • JSON schema validation for requests
  • Error code definitions and handlers
  • Uncertain outcome recovery protocol
  • Tests: operation parsing, schema validation, error scenarios

Slice 1.3: Session SDK Integration

  • Bridge runtime::Session to SDK session model
  • Implement session router (durable lookup)
  • Add invocation reconciliation store
  • Terminal scope tracking per correlation
  • Tests: session creation, routing, reconciliation

Phase 2: Core Capabilities (Tools & Skills)

Slice 2.1: Missing Tool Implementation

  • image_gen (DALL-E integration)
  • ask (interactive blocking prompts)
  • workflow_gate_* (plan approval gates)
  • command_repl, shell_repl, powershell
  • cost_calculator

Slice 2.2: Skill Enhancement

  • Bundled skill registry (autoresearch, deep-interview, ralplan, ultragoal)
  • Enhanced skill discovery (project, user, bundled hierarchy)
  • Skill chaining support (skill calling skill)
  • Workflow state handoff

Phase 3: Polish (Settings, Commands, Integration)

Slice 3.1: Settings & Configuration

  • Session-level setting override
  • Setting schema validation
  • Setting propagation to tools
  • Config hotreload

Slice 3.2: Slash Commands

  • Workflow commands (/plan, /review, /ultragoal)
  • Model selection (/model set, /model list)
  • Cost calculator (/cost)
  • Advanced debugging (/dump, /trace)
  • Task management (/tasks list, /tasks cancel)
  • Theme management (/theme)

12. DEPENDENCY & CRATE RELATIONSHIPS

┌────────────────────────────────────────────────────────┐
│ cli (rusty-claude-cli: main entry, REPL, TUI)          │
└────────────┬───────────────────────────────────────────┘
             │
┌────────────▼──────────────────────────────────────────┐
│ commands (slash command specs & handlers)              │
└────────┬────────────────────────────────────────┬──────┘
         │                                        │
         │                                    ┌───▼────────────────────┐
         │                                    │ tools (55 tool impl)    │
         │                                    └──────┬─────────────────┘
         │                                           │
┌────────▼─────────────────────────────────────────▼──────────────────┐
│ runtime (session, conversation, config, mcp, hooks, permissions)   │
└────────┬──────────────────────────────┬────────────────────────────┘
         │                              │
    ┌────▼──────────────┐       ┌──────▼─────────────────┐
    │ api (providers)   │       │ plugins (plugin mgmt) │
    └───────────────────┘       └───────────────────────┘
    
    NEW: sdk (WebSocket, session routing, reconciliation)
         │
         └─→ depends on: runtime, serde_json, tokio, tungstenite

13. RISK & MITIGATION

Risk Probability Severity Mitigation
SDK protocol complexity High High Start with mock transport tests, iterate on real scenarios
Session state inconsistency Medium High Comprehensive reconciliation tests, durable state verification
Tool compatibility gaps Medium Medium Tool-by-tool comparison with GJC, shadow testing
Breaking changes to runtime Medium High Version gates, feature flags, phased rollout
Performance regression Medium Medium Benchmark key paths (session create, tool dispatch), profile

14. VERIFICATION & SIGN-OFF

  • SDK transport connects and communicates with mock server
  • Session lifecycle operations (create, prompt, steer, abort) work end-to-end
  • Tool execution with SDK matches GJC behavior
  • Skill discovery finds all three scopes (bundled, project, user)
  • Settings override works per-session
  • Slash commands parse and dispatch correctly
  • All AGENTS.md tests pass
  • Hooks fire at correct lifecycle points
  • Subagent tasks spawn and communicate via IRC
  • Public documentation has no internal paths, hosts, or private infra

Document Version: 1.0
Last Updated: 2026-10-13
Next Review: After Slice 1.1 implementation complete