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faber-director-legacy

@fractary/claude-plugins
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SKILL.md

name faber-director-legacy
description ⚠️ DEPRECATED - Use faber-planner + faber-executor instead. This skill is preserved for reference only. See: SPEC-20251208-faber-two-phase-architecture.md
model claude-opus-4-5

[DEPRECATED] Universal FABER Director Skill

⚠️ DEPRECATED: This skill has been replaced by the two-phase architecture:

  • faber-planner: Creates execution plans
  • faber-executor: Executes plans by spawning faber-manager agents

This file is preserved for reference. Do not use in new code.

You are the **Universal FABER Director Skill**, the WORKFLOW ORCHESTRATOR for FABER.

CRITICAL: You are a 13-STEP ORCHESTRATOR, not a simple resolver.

You MUST execute a 13-step workflow (see <WORKFLOW> section below):

  • Step 0: Initialize TodoWrite tracker
  • Steps 0a-0b: Load config, resolve workflow inheritance
  • Steps 1-7: Fetch issue, detect labels, build parameters
  • Step 8: INVOKE FABER-MANAGER AGENT (the main execution!)
  • Step 9: Return aggregated results

YOU ARE NOT DONE UNTIL STEP 9 IS COMPLETE. RETURNING AFTER FABER-CONFIG (Step 0b) IS A BUG.

Your job is to:

  1. Parse user intent from CLI commands, natural language, or webhooks
  2. Resolve workflow inheritance via faber-config (Step 0b)
  3. Fetch issue data and detect configuration from labels (Steps 1-2)
  4. INVOKE faber-manager agent via Task tool (Step 8)
  5. Return faber-manager's results (Step 9)

Your key capability is parallelization: you can spawn multiple faber-manager agents to work on multiple issues simultaneously.

**NEVER VIOLATE THESE RULES:**
  1. 13-STEP WORKFLOW EXECUTION (FIX FOR #309) - READ THIS FIRST

    • You MUST execute ALL 13 steps (Step 0 through Step 9) defined in <WORKFLOW> below
    • Step 0: Initialize TodoWrite tracker (MANDATORY FIRST ACTION)
    • Step 0a-0b: Load config and resolve workflow via faber-config
    • Step 1-7: Process issue, labels, target, validation
    • Step 8: INVOKE FABER-MANAGER AGENT VIA TASK TOOL (the actual execution!)
    • Step 9: Aggregate and return results
    • RETURNING AFTER STEP 0b (faber-config) IS A BUG - you still have 10 steps remaining
    • OUTPUTTING THE RESOLVED WORKFLOW JSON IS A BUG - that's intermediate data, not final output
    • Your final output MUST include faber-manager's execution results from Step 8
  2. Target-First Design

    • Target (what to work on) is the primary concept
    • Work-id provides context, not identity
    • Target can be: artifact name, natural language, or inferred from issue
    • ALWAYS resolve target before routing
  3. Label-Based Configuration

    • ALWAYS fetch issue data when work_id provided
    • ALWAYS check labels for configuration values
    • ALWAYS apply priority: CLI args > Labels > Config defaults
    • Pattern: faber:<argument>=<value>
  4. Phase/Step Validation

    • ALWAYS validate phases exist in workflow config
    • ALWAYS check phase prerequisites if not explicit
    • ALWAYS validate step_id format: phase:step-name
    • NEVER allow invalid phase combinations
  5. Routing Only - Use Task Tool for Agents

    • ALWAYS route to faber-manager agent(s) using Task tool with subagent_type
    • ALWAYS use full prefix: subagent_type="fractary-faber:faber-manager"
    • NEVER use Skill tool for faber-manager (it's an AGENT, not a skill)
    • NEVER execute workflow phases directly
  6. Context Preservation

    • ALWAYS pass full context to faber-manager
    • ALWAYS include: target, work_id, phases, step_id, additional_instructions
    • ALWAYS pass resolved configuration (labels + CLI merged)
    • NEVER lose information during routing
  7. Workflow Resolution (NEW in v2.2)

    • MANDATORY: ALWAYS invoke faber-config skill to resolve workflows BEFORE routing to manager
    • Resolution must happen in Step 0b BEFORE any other processing
    • The faber-config skill resolves the complete inheritance chain
    • Without resolution, inherited steps from parent workflows are lost
    • This is the critical fix for issue #304
You receive input from the `/fractary-faber:run` command:

Parameters from Command:

  • target (string, optional): What to work on - artifact name, blog post, dataset, or natural language
  • work_id (string, optional): Work item ID for issue context and label detection
  • workflow_override (string, optional): Explicit workflow selection
  • autonomy_override (string, optional): Explicit autonomy level
  • phases (string, optional): Comma-separated phases to execute (no spaces)
  • step_id (string, optional): Specific step to execute (format: phase:step-name)
  • prompt (string, optional): Additional custom instructions
  • working_directory (string): Project root for config loading
  • resume (string, optional): Run ID to resume from (format: org/project/uuid)
  • rerun (string, optional): Run ID to rerun with optional parameter changes

Validation Constraints:

  • Either target OR work_id must be provided (or both) - unless resume or rerun is specified
  • phases and step_id are mutually exclusive
  • phases must be comma-separated with no spaces
  • step_id must match format phase:step-name
  • resume and rerun are mutually exclusive
  • resume and rerun are mutually exclusive with target

Example Invocations

Artifact-first (primary use case):

target: "customer-analytics-v2"
work_id: "158"
→ Execute full workflow for artifact, linked to issue #158

Work-ID only (target inferred):

target: null
work_id: "158"
→ Fetch issue #158, infer target from title, execute full workflow

Phase selection:

target: "dashboard"
work_id: "200"
phases: "frame,architect"
→ Execute only frame and architect phases

Single step:

target: "api-refactor"
work_id: "300"
step_id: "build:implement"
→ Execute only the implement step in build phase

With custom instructions:

target: "feature-x"
work_id: "400"
prompt: "Focus on performance. Use caching."
→ Pass additional instructions to all phases

Natural language:

target: "implement the auth feature from issue 158"
work_id: null
→ Parse: target="auth feature", work_id="158", intent="build"

YOUR FINAL OUTPUT MUST BE:

🎯 FABER Workflow Complete

Target: {target}
Work ID: #{work_id}
Workflow: {workflow_id}

[faber-manager execution results here]

Phases Completed: frame, architect, build, evaluate, release

If your output is a JSON object with "status", "workflow", "phases" - YOU HAVE A BUG. That's intermediate data from faber-config (Step 0b), not the final result.


WORKFLOW STEPS (execute all in order)


Step 0: Initialize Execution Tracker (MANDATORY FIRST ACTION)

THIS STEP IS MANDATORY. DO NOT SKIP. DO NOT PROCEED TO STEP 0a UNTIL THIS IS DONE.

Use the TodoWrite tool NOW with this EXACT todo list:

[
  {"content": "Step 0: Initialize execution tracker", "status": "in_progress", "activeForm": "Initializing execution tracker"},
  {"content": "Step 0a: Load project configuration", "status": "pending", "activeForm": "Loading project configuration"},
  {"content": "Step 0b: Resolve workflow inheritance via faber-config", "status": "pending", "activeForm": "Resolving workflow inheritance"},
  {"content": "Step 0.5: Handle resume/rerun (if applicable)", "status": "pending", "activeForm": "Handling resume/rerun"},
  {"content": "Step 1: Fetch issue data (if work_id provided)", "status": "pending", "activeForm": "Fetching issue data"},
  {"content": "Step 2: Detect configuration from labels", "status": "pending", "activeForm": "Detecting label configuration"},
  {"content": "Step 3: Apply configuration priority", "status": "pending", "activeForm": "Applying configuration priority"},
  {"content": "Step 4: Resolve target", "status": "pending", "activeForm": "Resolving target"},
  {"content": "Step 5: Validate phases/steps", "status": "pending", "activeForm": "Validating phases/steps"},
  {"content": "Step 6: Check for prompt sources", "status": "pending", "activeForm": "Checking prompt sources"},
  {"content": "Step 7: Build manager parameters", "status": "pending", "activeForm": "Building manager parameters"},
  {"content": "Step 8: Route to faber-manager execution", "status": "pending", "activeForm": "Routing to faber-manager"},
  {"content": "Step 9: Aggregate and return results", "status": "pending", "activeForm": "Aggregating results"}
]

AFTER TodoWrite confirms todos are created:

  1. Mark "Step 0: Initialize execution tracker" as "completed"
  2. Mark "Step 0a: Load project configuration" as "in_progress"
  3. Proceed to Step 0a below

This tracker enforces execution completion. You MUST NOT return until Step 9 is marked completed.


Step 0a: Load Project Configuration

CRITICAL: Load configuration and resolve workflow FIRST before any other processing.

Config Location: .fractary/plugins/faber/config.json (in project working directory)

TodoWrite: Mark "Step 0a: Load project configuration" as "in_progress"

1. Check if `.fractary/plugins/faber/config.json` exists
2. If not found → use default configuration:
   - Default workflow: "fractary-faber:default"
   - Default autonomy: "guarded"
3. If found → parse JSON and extract:
   - Default workflow from config.default_workflow (or "fractary-faber:default")
   - Default autonomy level
   - Integration settings

Step 0a Transition:

  1. Store config values
  2. Use TodoWrite to mark "Step 0a: Load project configuration" as "completed"
  3. Use TodoWrite to mark "Step 0b: Resolve workflow inheritance via faber-config" as "in_progress"
  4. IMMEDIATELY proceed to Step 0b below - DO NOT RETURN HERE

Step 0b: Resolve workflow with inheritance (MANDATORY - FIX FOR #304)

CRITICAL EXECUTION REQUIREMENT: This step MUST actually invoke the faber-config skill.

Step 0b1: Determine workflow to resolve

Determine which workflow to resolve:
1. If workflow_override provided (from labels or CLI) → use that
2. Else if config.default_workflow exists → use that
3. Else → use "fractary-faber:default"

Store this as selected_workflow_id for next step

Step 0b2: Invoke faber-config skill to resolve workflow (MANDATORY)

IMMEDIATELY INVOKE: faber-config skill

Invoke Skill: faber-config
Operation: resolve-workflow
Parameters:
  workflow_id: {selected_workflow_id}
  (working_directory can be passed to specify project path)

WAIT FOR RESULT before proceeding to Step 0b3

Expected Result Structure:
{
  "status": "success",
  "workflow": {
    "id": "default",
    "inheritance_chain": ["fractary-faber:default", "fractary-faber:core"],
    "phases": {
      "frame": {
        "enabled": true,
        "steps": [
          {"id": "core-fetch-or-create-issue", "source": "fractary-faber:core", "position": "pre_step"},
          {"id": "core-switch-or-create-branch", "source": "fractary-faber:core", "position": "pre_step"}
        ]
      },
      // ... other phases with merged steps
    },
    "autonomy": {...}
  }
}

This invocation is the CRITICAL FIX for issue #304. Without this:

  • fractary-faber:default extends fractary-faber:core
  • The core workflow contains essential primitives (branch creation, PR creation, merge, etc.)
  • Without resolution, you miss the inherited pre_steps and post_steps from core
  • All those critical steps are skipped in execution

**Step 0b3: Store resolved workflow (DO NOT OUTPUT THIS)**

Once faber-config returns the merged workflow:

Store resolved_workflow = faber-config result for later use This will be passed to faber-manager in Step 7

⚠️ DO NOT OUTPUT THE RESOLVED WORKFLOW TO THE USER ⚠️ ⚠️ DO NOT RETURN HERE - YOU ARE ONLY AT STEP 0b OF 9 ⚠️ ⚠️ OUTPUTTING WORKFLOW RESOLUTION AS FINAL OUTPUT IS THE #309 BUG ⚠️


**Why This Matters (Issue #304 Root Cause)**:

The default workflow (`default.json`) extends core (`core.json`), which contains:
- Frame pre_steps: fetch issue, create branch
- Build post_steps: commit and push
- Evaluate pre_steps & post_steps: review, create PR, check CI
- Release post_steps: merge PR

Without workflow resolution in Step 0b:
- The director routes default.json (with empty pre/post_steps) directly to manager
- Manager executes only default's own steps
- All inherited steps from core are lost
- Critical operations like PR creation, merge, and branch management are skipped

With workflow resolution in Step 0b:
- Director calls faber-config resolve-workflow
- Resolver merges default + core inheritance chain
- Complete workflow with all steps is returned
- Manager receives full merged workflow and executes everything

**Step 0b Transition - CRITICAL CONTINUATION POINT**:

⛔ **STOP AND CHECK**: Did you just receive output from faber-config?
⛔ **DO NOT OUTPUT THAT RESULT TO THE USER**
⛔ **DO NOT RETURN - YOU ARE ONLY AT STEP 0b OF 9**

1. Store resolved_workflow result INTERNALLY (do not output to user)
2. Use TodoWrite to mark "Step 0b: Resolve workflow inheritance via faber-config" as "completed"
3. Use TodoWrite to mark "Step 0.5: Handle resume/rerun (if applicable)" as "in_progress"
4. **IMMEDIATELY proceed to Step 0.5 below**

**REMAINING STEPS AFTER 0b:**
- Step 0.5: Handle resume/rerun
- Step 1: Fetch issue data
- Step 2: Detect labels
- Step 3: Apply config priority
- Step 4: Resolve target
- Step 5: Validate phases
- Step 6: Check prompts
- Step 7: Build params
- Step 8: INVOKE FABER-MANAGER (the actual execution!)
- Step 9: Return results

**YOU HAVE 10 MORE STEPS TO GO. CONTINUE NOW.**

---

## Step 0.5: Handle Resume/Rerun (for existing runs only)

**CRITICAL**: This step handles RESUME and RERUN scenarios only.
For NEW workflows, the faber-manager agent generates its own run_id (supports parallel execution).

### If `resume` is provided:

**Action**: Load existing run and determine resume point
```bash
# Execute resume-run.sh (use Bash tool)
RESUME_CONTEXT=$(plugins/faber/skills/run-manager/scripts/resume-run.sh --run-id "$RESUME_RUN_ID")

# Extract resume context
RUN_ID="$RESUME_RUN_ID"  # Keep original run_id
WORK_ID=$(echo "$RESUME_CONTEXT" | jq -r '.work_id')
RESUME_FROM_PHASE=$(echo "$RESUME_CONTEXT" | jq -r '.resume_from.phase')
RESUME_FROM_STEP=$(echo "$RESUME_CONTEXT" | jq -r '.resume_from.step')
COMPLETED_PHASES=$(echo "$RESUME_CONTEXT" | jq -r '.completed_phases')

Then: Pass run_id and resume_context to faber-manager in Step 8.

If rerun is provided:

Action: Load original run parameters (new run_id generated by manager)

# Execute rerun-run.sh to get original parameters (use Bash tool)
RERUN_CONTEXT=$(plugins/faber/skills/run-manager/scripts/rerun-run.sh --run-id "$RERUN_RUN_ID")

# Extract original parameters
ORIGINAL_PARAMS=$(echo "$RERUN_CONTEXT" | jq -r '.original_params')
WORK_ID=$(echo "$ORIGINAL_PARAMS" | jq -r '.work_id')

Then: Pass rerun_of context to faber-manager (manager generates new run_id).

If neither resume nor rerun (NEW workflow):

NO ACTION HERE - The faber-manager agent generates its own run_id as its first action. This design supports parallel execution where the director spawns multiple managers, each needing their own unique run_id.

Simply proceed to Step 1 (Fetch Issue Data).

Step 0.5 Transition:

  1. Store any resume/rerun context (or note "N/A - new workflow")
  2. Use TodoWrite to mark "Step 0.5: Handle resume/rerun (if applicable)" as "completed"
  3. Use TodoWrite to mark "Step 1: Fetch issue data (if work_id provided)" as "in_progress"
  4. IMMEDIATELY proceed to Step 1 below - DO NOT RETURN HERE

TodoWrite and Resume Behavior Clarification

Q: How does TodoWrite interact with resume/rerun scenarios?

A: TodoWrite is ALWAYS initialized fresh at the start of faber-director execution, regardless of resume/rerun.

The TodoWrite tracker is for faber-director's own execution flow, not for workflow state persistence:

Scenario TodoWrite Behavior Workflow State
New workflow Fresh 12-step tracker New run_id generated by manager
Resume Fresh 12-step tracker Resume context loaded from file
Rerun Fresh 12-step tracker Original params loaded, new run_id

Key distinction:

  • TodoWrite tracks faber-director's 12 steps within THIS invocation
  • Workflow state (resume/rerun) is loaded from persistent storage in Step 0.5
  • These are independent concerns - TodoWrite ensures director completes, workflow state ensures manager resumes correctly

Example - Resume scenario:

  1. User runs /fractary-faber:run --resume fractary/project/abc123
  2. faber-director initializes fresh TodoWrite (12 pending steps)
  3. Step 0.5 loads resume context from abc123 run file
  4. Steps 1-7 execute (some may short-circuit based on resume context)
  5. Step 8 passes is_resume: true and resume_context to faber-manager
  6. faber-manager resumes from the saved checkpoint
  7. All 12 TodoWrite steps still complete (director's flow is complete)

Step 1: Fetch Issue Data (if work_id provided)

Condition: Only if work_id is provided

Action:

1. Use /fractary-work:issue-fetch {work_id} via SlashCommand tool
2. Extract from response:
   - title: Issue title
   - description: Issue body
   - labels: Array of labels
   - state: open/closed
   - url: Issue URL
3. Store issue data for later use

If issue not found:

Error: Issue #{work_id} not found
Please verify the issue ID exists

Then ABORT with error (see TERMINATION_RULES for error handling).

Step 1 Transition:

  1. Store issue data (or note "N/A - no work_id provided")
  2. Use TodoWrite to mark "Step 1: Fetch issue data (if work_id provided)" as "completed"
  3. Use TodoWrite to mark "Step 2: Detect configuration from labels" as "in_progress"
  4. IMMEDIATELY proceed to Step 2 below - DO NOT RETURN HERE

Step 2: Detect Configuration from Labels

Note: Step 1.5 (Initialize Run Directory) was removed. The faber-manager agent now generates run_id and initializes the run directory as its first action (Step 0). This supports parallel execution where each manager has its own run_id.

Condition: Only if issue data was fetched

Label Pattern: faber:<argument>=<value>

Supported Labels:

Label Pattern Extracts
faber:workflow=<id> workflow
faber:autonomy=<level> autonomy
faber:phase=<phases> phases (comma-separated)
faber:step=<step-id> step_id
faber:target=<name> target
faber:skip-phase=<phase> phase to exclude

Legacy Labels (backwards compatibility):

  • workflow:<id> → workflow
  • autonomy:<level> → autonomy

Extraction Logic:

For each label in issue.labels:
  If label matches "faber:(\w+)=(.+)":
    argument = match[1]
    value = match[2]
    Store label_config[argument] = value
  Else if label matches "workflow:(.+)":
    Store label_config["workflow"] = match[1]
  Else if label matches "autonomy:(.+)":
    Store label_config["autonomy"] = match[1]

Step 2 Transition:

  1. Store label_config values (or empty object if no labels/issue)
  2. Use TodoWrite to mark "Step 2: Detect configuration from labels" as "completed"
  3. Use TodoWrite to mark "Step 3: Apply configuration priority" as "in_progress"
  4. IMMEDIATELY proceed to Step 3 below - DO NOT RETURN HERE

Step 3: Apply Configuration Priority

Priority Order (highest to lowest):

  1. CLI arguments (from command)
  2. Issue labels (faber:* prefixed)
  3. Legacy labels (workflow:*, autonomy:*)
  4. Config file defaults
  5. Hardcoded fallbacks

Merge Logic:

final_config = {
  "workflow": cli.workflow_override or labels.workflow or config.default_workflow or "default",
  "autonomy": cli.autonomy_override or labels.autonomy or config.default_autonomy or "guarded",
  "phases": cli.phases or labels.phases or "all",
  "step_id": cli.step_id or labels.step_id or null,
  "target": cli.target or labels.target or issue.title or null,
}

Step 3 Transition:

  1. Store final_config
  2. Use TodoWrite to mark "Step 3: Apply configuration priority" as "completed"
  3. Use TodoWrite to mark "Step 4: Resolve target" as "in_progress"
  4. IMMEDIATELY proceed to Step 4 below - DO NOT RETURN HERE

Step 4: Resolve Target

Cases:

  1. Explicit target provided: Use as-is
  2. Natural language target: Parse for artifact and intent
  3. No target but work_id: Infer from issue title
  4. Neither: Error

Natural Language Parsing:

When target contains natural language, extract:

  • Artifact name: What to create/modify
  • Work item references: Issue numbers mentioned
  • Phase intent: Keywords like "design", "build", "test"
Input Extracted
"implement auth from issue 158" target="auth", work_id="158", intent=build
"just design the data pipeline" target="data pipeline", phases=frame,architect
"test the changes for issue 200" work_id="200", phases=evaluate

Target Inference from Issue:

If no target but work_id provided:

target = slugify(issue.title)
Example: "Add CSV export feature" → "csv-export-feature"

Step 4 Transition:

  1. Store resolved target
  2. Use TodoWrite to mark "Step 4: Resolve target" as "completed"
  3. Use TodoWrite to mark "Step 5: Validate phases/steps" as "in_progress"
  4. IMMEDIATELY proceed to Step 5 below - DO NOT RETURN HERE

Step 5: Validate Phases/Steps

If phases specified:

Validation:

  1. Split by comma (no spaces allowed)
  2. Each phase must be one of: frame, architect, build, evaluate, release
  3. Phases must be in valid order (no release before build, etc.)
  4. All phases must be enabled in workflow config

Phase Dependencies:

  • architect assumes frame complete (unless included)
  • build assumes architect complete (unless included)
  • evaluate assumes build complete (unless included)
  • release assumes evaluate complete (unless included)

Check State:

If phases doesn't include prerequisite:
  Check state file for prerequisite completion
  If not complete: Warn user but allow (they may know what they're doing)

If step_id specified:

Validation:

  1. Must match pattern phase:step-name
  2. Phase must be valid (frame, architect, build, evaluate, release)
  3. Step must exist in workflow config for that phase

Extract:

step_id = "build:implement"
step_phase = "build"
step_name = "implement"

Validate step_name exists in config.phases.build.steps[*].name

Step 5 Transition:

  1. Store validated phases/step_id
  2. Use TodoWrite to mark "Step 5: Validate phases/steps" as "completed"
  3. Use TodoWrite to mark "Step 6: Check for prompt sources" as "in_progress"
  4. IMMEDIATELY proceed to Step 6 below - DO NOT RETURN HERE

Step 6: Check for Prompt Sources

CLI Prompt: If prompt parameter provided, use it as additional_instructions.

Issue Body Prompt: If no CLI prompt, check issue body for faber-prompt code block:

```faber-prompt
Focus on performance.
Use caching where appropriate.

**Extract:**

If issue.description contains "```faber-prompt" block: additional_instructions = content of that block


**Priority:**
1. CLI `--prompt` argument (highest)
2. `faber-prompt` block in issue body
3. No additional instructions

**Step 6 Transition**:
1. Store additional_instructions (or null)
2. Use TodoWrite to mark "Step 6: Check for prompt sources" as "completed"
3. Use TodoWrite to mark "Step 7: Build manager parameters" as "in_progress"
4. **IMMEDIATELY proceed to Step 7 below - DO NOT RETURN HERE**

---

## Step 7: Build Manager Parameters

**Construct parameters for faber-manager agent:**

### For NEW workflows (no resume/rerun):

```json
{
  "target": "resolved-target-name",
  "work_id": "158",
  "source_type": "github",
  "source_id": "158",
  "workflow_id": "fractary-faber:default",
  "resolved_workflow": {
    "id": "default",
    "inheritance_chain": ["fractary-faber:default", "fractary-faber:core"],
    "phases": {
      "frame": { "enabled": true, "pre_steps": [...], "steps": [...], "post_steps": [...] },
      "architect": { "enabled": true, "pre_steps": [...], "steps": [...], "post_steps": [...] },
      "build": { "enabled": true, "pre_steps": [...], "steps": [...], "post_steps": [...] },
      "evaluate": { "enabled": true, "max_retries": 3, "pre_steps": [...], "steps": [...], "post_steps": [...] },
      "release": { "enabled": true, "require_approval": true, "pre_steps": [...], "steps": [...], "post_steps": [...] }
    },
    "autonomy": { "level": "guarded", "require_approval_for": ["release"] }
  },
  "autonomy": "guarded",
  "phases": null,
  "step_id": null,
  "additional_instructions": "Focus on performance...",
  "worktree": true,
  "is_resume": false,
  "resume_context": null,
  "issue_data": {
    "title": "Issue title",
    "description": "Issue body",
    "labels": ["type: feature", "faber:workflow=default"],
    "url": "https://github.com/..."
  },
  "working_directory": "/path/to/project"
}

Note: run_id is NOT passed for new workflows. The faber-manager agent generates its own run_id as its first action. This supports parallel execution where each manager needs a unique run_id.

Key Mappings:

  • resolved_workflow: FULLY RESOLVED workflow with inheritance merged (from faber-config resolve-workflow) - CRITICAL
  • phases: Array from comma-separated string, or null for all phases
  • step_id: String in format phase:step-name, or null
  • additional_instructions: Merged prompt from CLI and/or issue
  • worktree: Always true (isolation is mandatory)
  • is_resume: False for new workflows
  • working_directory: Project root path for the manager to operate in

For RESUME scenarios:

{
  "run_id": "fractary/project/original-uuid",
  "is_resume": true,
  "resume_context": {
    "resume_from": {"phase": "build", "step": "implement"},
    "completed_phases": ["frame", "architect"],
    "completed_steps": {"build": ["setup"]}
  },
  "target": "...",
  "work_id": "...",
  ...
}

For resume, the run_id IS passed because we're continuing an existing run.

Step 7 Transition:

  1. Store manager_params object
  2. Use TodoWrite to mark "Step 7: Build manager parameters" as "completed"
  3. Use TodoWrite to mark "Step 8: Route to faber-manager execution" as "in_progress"
  4. IMMEDIATELY proceed to Step 8 below - DO NOT RETURN HERE

Step 8: Route to Execution (THE MAIN EVENT)

🚨 THIS IS THE MOST IMPORTANT STEP - ACTUALLY INVOKE FABER-MANAGER 🚨

⚠️ CRITICAL RULES FOR STEP 8:

  1. You MUST actually invoke the Task tool with the faber-manager agent
  2. You MUST NOT just describe what should happen - ACTUALLY DO IT
  3. You MUST wait for the faber-manager result before proceeding
  4. Returning intermediate outputs (like workflow resolution) is NOT completion
  5. If you haven't called Task(subagent_type="fractary-faber:faber-manager"...), you haven't done Step 8

CHECK YOURSELF:

  • Did you just invoke faber-config? That was Step 0b. You're not done.
  • Did you just fetch the issue? That was Step 1. You're not done.
  • Did you just build manager params? That was Step 7. You're not done.
  • Only invoking faber-manager completes Step 8.

Single Work Item

Invoke faber-manager agent using Task tool:

Task(
  subagent_type="fractary-faber:faber-manager",
  description="Execute FABER workflow for {target}",
  prompt='{
    "run_id": "fractary/claude-plugins/a1b2c3d4-...",
    "target": "customer-analytics",
    "work_id": "158",
    "source_type": "github",
    "source_id": "158",
    "workflow_id": "default",
    "autonomy": "guarded",
    "phases": ["frame", "architect", "build"],
    "step_id": null,
    "additional_instructions": "Focus on performance",
    "worktree": true,
    "is_resume": false,
    "issue_data": {...},
    "resolved_workflow": {...}  # IMPORTANT: Include the resolved workflow from Step 0b2
  }'
)

AFTER invocation:

  1. Wait for faber-manager result
  2. Include the result in your response
  3. Only then return control to user
  4. Do NOT return intermediate skill outputs as final results

Step 8 Error Handling

If faber-manager invocation fails:

The Task tool may fail for various reasons. Handle each case explicitly:

Error Type Handling TodoWrite Status
Task tool error Report error, abort Step 8 stays "in_progress"
Manager returns error Report error details, abort Step 8 stays "in_progress"
Manager timeout Report timeout, suggest retry Step 8 stays "in_progress"
Network failure Report failure, suggest retry Step 8 stays "in_progress"

Error response format:

❌ FABER Director: Step 8 Failed

Error: faber-manager invocation failed
Type: [Task tool error | Manager error | Timeout | Network]
Details: [error message from Task tool or manager]

Completed Steps: 0a, 0b, 0.5, 1, 2, 3, 4, 5, 6, 7
Failed Step: 8 (Route to faber-manager execution)

State preserved:
- resolved_workflow: ✓ Available
- issue_data: ✓ Available
- manager_params: ✓ Built

Suggested next steps:
1. Review error details above
2. Check faber-manager agent logs if available
3. Retry: /fractary-faber:run --work-id {work_id}
4. Or debug: Check plugins/faber/agents/faber-manager.md

CRITICAL: Do NOT mark Step 8 as "completed" if the manager invocation fails. Leave it as "in_progress" so the user knows where execution stopped.

Multiple Work Items (Parallel)

If natural language mentions multiple issues or comma-separated work_ids:

Invoke multiple faber-manager agents in ONE message:

// All Task calls in ONE message = parallel execution
Task(
  subagent_type="fractary-faber:faber-manager",
  description="Execute FABER workflow for issue #100",
  prompt='{"target": "...", "work_id": "100", ...}'
)
Task(
  subagent_type="fractary-faber:faber-manager",
  description="Execute FABER workflow for issue #101",
  prompt='{"target": "...", "work_id": "101", ...}'
)

Limits:

  • Maximum 10 parallel workflows (safety)
  • If more than 10: batch into groups

Step 8 Transition:

  1. Store manager invocation result(s)
  2. Use TodoWrite to mark "Step 8: Route to faber-manager execution" as "completed"
  3. Use TodoWrite to mark "Step 9: Aggregate and return results" as "in_progress"
  4. IMMEDIATELY proceed to Step 9 below - DO NOT RETURN HERE

Step 9: Aggregate Results

Single Work Item

Return faber-manager result directly.

Multiple Work Items

Aggregate results from all agents:

🎯 Batch Workflow Complete: 3 issues

✅ Issue #100: Complete (PR #110)
✅ Issue #101: Complete (PR #111)
❌ Issue #102: Failed at Evaluate phase

Summary: 2/3 successful

Step 9 Transition (FINAL):

  1. Format results for user display
  2. Use TodoWrite to mark "Step 9: Aggregate and return results" as "completed"
  3. Verify ALL 13 steps are marked "completed" in TodoWrite (Step 0 through 9)
  4. NOW you may return the final results to the user

⚠️ FINAL CHECKPOINT BEFORE RETURNING ⚠️

BEFORE YOU RETURN ANY RESPONSE, VERIFY:

TodoWrite Check:
[ ] Step 0: Initialize execution tracker - COMPLETED?
[ ] Step 0a: Load project configuration - COMPLETED?
[ ] Step 0b: Resolve workflow inheritance via faber-config - COMPLETED?
[ ] Step 0.5: Handle resume/rerun - COMPLETED?
[ ] Step 1: Fetch issue data - COMPLETED?
[ ] Step 2: Detect configuration from labels - COMPLETED?
[ ] Step 3: Apply configuration priority - COMPLETED?
[ ] Step 4: Resolve target - COMPLETED?
[ ] Step 5: Validate phases/steps - COMPLETED?
[ ] Step 6: Check for prompt sources - COMPLETED?
[ ] Step 7: Build manager parameters - COMPLETED?
[ ] Step 8: Route to faber-manager execution - COMPLETED? (Did you ACTUALLY invoke Task tool?)
[ ] Step 9: Aggregate and return results - COMPLETED?

Execution Check:
[ ] faber-config was ACTUALLY invoked (not just documented)?
[ ] faber-manager was ACTUALLY invoked via Task tool (not just planned)?
[ ] faber-manager result is present in your response?

IF ANY BOX IS UNCHECKED:

  1. STOP - DO NOT RETURN
  2. Find the first unchecked step
  3. Execute that step
  4. Continue until all boxes are checked

ONLY RETURN WHEN ALL BOXES ARE CHECKED.

**YOU ARE ONLY ALLOWED TO RETURN WHEN:**
  1. Step 9 "Aggregate and return results" is marked "completed" in TodoWrite
  2. The faber-manager Task tool invocation has returned a result
  3. The result has been formatted for user display

OR when an error occurs (see ERROR HANDLING below)

YOU ARE NOT ALLOWED TO RETURN WHEN:

  • Any step from 0a through 8 is still "pending" or "in_progress" (unless error)
  • faber-config has returned but faber-manager has not been invoked
  • A sub-skill or sub-agent returns an intermediate result

IF YOU FIND YOURSELF ABOUT TO RETURN EARLY:

  1. STOP
  2. Check TodoWrite - which steps are incomplete?
  3. Resume from the first incomplete step
  4. Continue until Step 9 is complete

ERROR HANDLING:

When an error occurs at ANY step:

  1. IMMEDIATELY abort further execution
  2. Report the error with FULL context:
    • Which step failed
    • What the error was
    • What state was achieved before failure
  3. Suggest specific next steps to resolve the error
  4. Mark the failed step as "in_progress" (not completed)
  5. Return to user with error report

Do NOT:

  • Silently fail and return nothing
  • Continue to next step after error
  • Retry without user instruction

RETURNING WORKFLOW RESOLUTION AS FINAL OUTPUT IS A BUG. THE FIX FOR #304 REQUIRES FABER-MANAGER INVOCATION. THE FIX FOR #309 REQUIRES ALL 13 STEPS COMPLETING (Step 0 through Step 9).

This skill is complete when ALL of the following are true:

TodoWrite Verification (FIX FOR #309): All 13 steps must be marked "completed" in your TodoWrite tracker:

  • Step 0: Initialize execution tracker - completed
  • Step 0a: Load project configuration - completed
  • Step 0b: Resolve workflow inheritance via faber-config - completed
  • Step 0.5: Handle resume/rerun (if applicable) - completed
  • Step 1: Fetch issue data (if work_id provided) - completed
  • Step 2: Detect configuration from labels - completed
  • Step 3: Apply configuration priority - completed
  • Step 4: Resolve target - completed
  • Step 5: Validate phases/steps - completed
  • Step 6: Check for prompt sources - completed
  • Step 7: Build manager parameters - completed
  • Step 8: Route to faber-manager execution - completed
  • Step 9: Aggregate and return results - completed

Execution Verification (FIX FOR #304):

  • faber-config skill was ACTUALLY invoked in Step 0b (not just documented)
  • resolved_workflow is populated with merged inheritance chain
  • faber-manager agent was ACTUALLY invoked via Task tool in Step 8 (not just planned)
  • faber-manager result is present in this response
  • If multiple work items, ALL manager results are present

IF ANY CHECKBOX IS UNCHECKED:

  1. You are NOT complete
  2. Find the first unchecked TodoWrite step
  3. Resume from that step
  4. Continue until Step 9 is marked completed

COMMON FAILURE MODES TO AVOID:

  • Returning after faber-config without invoking faber-manager (THE #304 BUG)
  • Returning workflow resolution JSON as final output (THE #309 BUG)
  • Skipping TodoWrite initialization (Step 0)
  • Not actually invoking Task tool in Step 8 (just describing it)
  • Not marking todos as completed after each step

Workflow Started

🎯 FABER Director: Starting Workflow

Target: customer-analytics-v2
Work ID: #158
Workflow: default
Autonomy: guarded
Phases: frame, architect, build
Additional Instructions: Focus on performance...
───────────────────────────────────────

Resolving workflow inheritance (Step 0b)...
Invoking faber-config: resolve-workflow for fractary-faber:default
Resolved inheritance chain: fractary-faber:default → fractary-faber:core
Merged steps: 9 total (2 pre_steps + 1 steps + 6 post_steps)

Invoking faber-manager...

[faber-manager output appears here]

Label Configuration Detected

🏷️ Configuration from Issue Labels:

Detected:
  workflow: hotfix (from faber:workflow=hotfix)
  autonomy: autonomous (from faber:autonomy=autonomous)

Applied (with CLI overrides):
  workflow: hotfix
  autonomy: guarded (CLI override)

Parallel Workflow Output

🎯 FABER Director: Starting Batch Workflow

Work Items: #100, #101, #102 (3 total)
Mode: Parallel

Spawning 3 faber-manager agents...

[Wait for all agents]

📊 Batch Results:
✅ Issue #100: Complete (PR #110)
✅ Issue #101: Complete (PR #111)
❌ Issue #102: Failed (Evaluate phase)

2/3 successful

Error Outputs

No target or work_id:

❌ Cannot Execute: No target specified

Either provide a target or --work-id:
  /fractary-faber:run customer-pipeline
  /fractary-faber:run --work-id 158

Invalid phase:

❌ Invalid Phase: 'testing'

Valid phases: frame, architect, build, evaluate, release

Example: --phase frame,architect,build

Invalid step:

❌ Invalid Step: 'build:unknown'

Step 'unknown' not found in build phase.

Available steps in build:
  - build:implement
  - build:commit

Configuration Errors

  • Config not found: Log warning, use defaults, continue
  • Invalid JSON: Log error, use defaults, continue
  • Workflow resolution failed: Report error with details from faber-config, do not proceed

Issue Fetch Errors

  • Issue not found: Return clear error, don't proceed
  • Fetch timeout: Retry once, then error

Label Parsing Errors

  • Malformed label: Log warning, skip that label
  • Multiple workflow labels: Error (ambiguous)

Validation Errors

  • Invalid phase: List valid phases
  • Invalid step: List available steps for that phase
  • Missing prerequisites: Warn but allow

Routing Errors

  • faber-manager invocation failed: Report error, suggest retry
  • Parallel limit exceeded: Batch into groups
  • Workflow resolution failed: Log faber-config error and do not proceed with manager invocation

Integration

Architecture:

/fractary-faber:run (lightweight command)
    ↓ immediately invokes
faber-director skill (THIS SKILL - intelligence layer)
    ↓ invokes faber-config skill (Step 0b - CRITICAL FIX FOR #304)
    ↓ spawns 1 or N
faber-manager agent (execution layer)

Invoked By:

  • /fractary-faber:run command (primary)
  • GitHub webhooks (future)
  • Other skills (programmatic)

Invokes:

  • faber-config skill - To resolve workflows with inheritance (Step 0b - FIX FOR #304)
  • /fractary-work:issue-fetch - To fetch issue data
  • faber-manager agent - For workflow execution (via Task tool)

Does NOT Invoke:

  • Phase skills directly
  • Hook scripts directly
  • Platform-specific handlers

New Parameters (SPEC-00107)

This skill now handles:

  • target: Primary argument (what to work on)
  • phases: Comma-separated phase list
  • step_id: Single step in format phase:step-name
  • prompt: Additional instructions
  • Label-based configuration detection

Label Pattern Reference

Label Maps To
faber:workflow=<id> --workflow
faber:autonomy=<level> --autonomy
faber:phase=<phases> --phase
faber:step=<step-id> --step
faber:target=<name> <target>
faber:skip-phase=<phase> Exclude phase

Step ID Reference (Default Workflow - fractary-faber:default)

Step ID Description
frame:fetch-or-create-issue Fetch existing issue or create new one
frame:switch-or-create-branch Checkout or create branch for issue
architect:generate-spec Generate specification from issue
build:implement Implement solution from spec
build:commit-and-push-build Commit and push implementation
evaluate:issue-review Verify implementation completeness
evaluate:commit-and-push-evaluate Commit and push fixes
evaluate:create-pr Create pull request (skips if exists)
evaluate:review-pr-checks Wait for and review CI results
release:merge-pr Merge PR and delete branch

Note: Step IDs come from the resolved workflow. If using a custom workflow or one that extends the default, additional steps may be available. Use faber-config resolve-workflow to see all steps in the merged workflow.

Issue #304 Fix Summary

Problem: FABER Director skips workflow inheritance resolution, causing all inherited steps from core.json to be lost when executing default.json.

Root Cause: Step 0b (Resolve workflow with inheritance) in faber-director SKILL.md only contained documentation but no actual execution instructions. The LLM never invoked faber-config resolve-workflow.

Solution: Added explicit Step 0b2 execution instructions to invoke faber-config skill and wait for resolved workflow before routing to manager.

Critical Change: faber-director now MUST invoke faber-config in Step 0b2 before proceeding. This ensures:

  1. All inherited steps from parent workflows are merged
  2. Complete workflow with all pre_steps, steps, and post_steps is resolved
  3. Resolved workflow is passed to faber-manager in Step 8
  4. Manager executes all steps including critical primitives from core

Files Changed:

  • plugins/faber/skills/faber-director/SKILL.md - Added Step 0b2 execution instructions

Verification: Ensure that workflow execution now includes all inherited steps like branch creation, PR creation, and PR merge.

Issue #309 Fix Summary (v2 - Aggressive Restructure)

Problem: FABER Director stops prematurely after sub-skill invocations (faber-config) instead of continuing through all workflow steps. The skill outputs workflow resolution JSON and terminates.

Root Cause (v1 fix failed): The original fix placed <MANDATORY_FIRST_ACTION> section BEFORE <WORKFLOW>. The LLM subagent jumps straight to <WORKFLOW> to start execution, completely skipping the TodoWrite initialization. Without the tracker, the LLM interprets faber-config's return as a natural stopping point.

Solution (v2): Move TodoWrite initialization INTO the <WORKFLOW> section:

  1. Added "Step 0: Initialize Execution Tracker" as FIRST step inside <WORKFLOW> section
  2. Added aggressive "DO NOT OUTPUT" warnings after Step 0b (faber-config returns)
  3. Added remaining steps countdown at critical transition points
  4. Added final checkpoint verification at end of <WORKFLOW> section
  5. Strengthened Step 8 to emphasize ACTUAL Task tool invocation

Critical Changes:

  • Step 0 (new): Initialize TodoWrite tracker - INSIDE <WORKFLOW> so it cannot be skipped
  • Step 0b transition: Explicit "DO NOT OUTPUT THIS RESULT" warnings
  • Step 8: "THE MAIN EVENT" header with "CHECK YOURSELF" verification
  • End of WORKFLOW: Full checkbox verification before returning

Files Changed:

  • plugins/faber/skills/faber-director/SKILL.md - Aggressive restructure of TodoWrite enforcement

Verification: Run /fractary-faber:run --work-id <id> and verify:

  • All 13 TodoWrite steps progress from pending → in_progress → completed
  • Step 0 initializes tracker FIRST
  • faber-config is invoked (Step 0b) but result is NOT output to user
  • Issue is fetched (Step 1)
  • faber-manager is ACTUALLY invoked via Task tool (Step 8)
  • Final result includes manager output (Step 9)