---
name: gather
description: Intelligently collect project context using context-search-agent based on task description, packages into standardized JSON
argument-hint: "--session WFS-session-id \"task description\""
examples:
  - /workflow:tools:context-gather --session WFS-user-auth "Implement user authentication system"
  - /workflow:tools:context-gather --session WFS-payment "Refactor payment module API"
  - /workflow:tools:context-gather --session WFS-bugfix "Fix login validation error"
allowed-tools: Task(*), Read(*), Glob(*)
---

# Context Gather Command (/workflow:tools:context-gather)

## Overview

Orchestrator command that invokes `context-search-agent` to gather comprehensive project context for implementation planning. Generates standardized `context-package.json` with codebase analysis, dependencies, and conflict detection.

**Agent**: `context-search-agent` (`.claude/agents/context-search-agent.md`)

## Core Philosophy

- **Agent Delegation**: Delegate all discovery to `context-search-agent` for autonomous execution
- **Detection-First**: Check for existing context-package before executing
- **Plan Mode**: Full comprehensive analysis (vs lightweight brainstorm mode)
- **Standardized Output**: Generate `.workflow/active/{session}/.process/context-package.json`

## Execution Process

```
Input Parsing:
   ├─ Parse flags: --session
   └─ Parse: task_description (required)

Step 1: Context-Package Detection
   └─ Decision (existing package):
      ├─ Valid package exists → Return existing (skip execution)
      └─ No valid package → Continue to Step 2

Step 2: Complexity Assessment & Parallel Explore (NEW)
   ├─ Analyze task_description → classify Low/Medium/High
   ├─ Select exploration angles (1-4 based on complexity)
   ├─ Launch N cli-explore-agents in parallel
   │  └─ Each outputs: exploration-{angle}.json
   └─ Generate explorations-manifest.json

Step 3: Invoke Context-Search Agent (with exploration input)
   ├─ Phase 1: Initialization & Pre-Analysis
   ├─ Phase 2: Multi-Source Discovery
   │  ├─ Track 0: Exploration Synthesis (prioritize & deduplicate)
   │  ├─ Track 1-4: Existing tracks
   └─ Phase 3: Synthesis & Packaging
      └─ Generate context-package.json with exploration_results

Step 4: Output Verification
   └─ Verify context-package.json contains exploration_results
```

## Execution Flow

### Step 1: Context-Package Detection

**Execute First** - Check if valid package already exists:

```javascript
const contextPackagePath = `.workflow/${session_id}/.process/context-package.json`;

if (file_exists(contextPackagePath)) {
  const existing = Read(contextPackagePath);

  // Validate package belongs to current session
  if (existing?.metadata?.session_id === session_id) {
    console.log("✅ Valid context-package found for session:", session_id);
    console.log("📊 Stats:", existing.statistics);
    console.log("⚠️  Conflict Risk:", existing.conflict_detection.risk_level);
    return existing; // Skip execution, return existing
  } else {
    console.warn("⚠️ Invalid session_id in existing package, re-generating...");
  }
}
```

### Step 2: Complexity Assessment & Parallel Explore

**Only execute if Step 1 finds no valid package**

```javascript
// 2.1 Complexity Assessment
function analyzeTaskComplexity(taskDescription) {
  const text = taskDescription.toLowerCase();
  if (/architect|refactor|restructure|modular|cross-module/.test(text)) return 'High';
  if (/multiple|several|integrate|migrate|extend/.test(text)) return 'Medium';
  return 'Low';
}

const ANGLE_PRESETS = {
  architecture: ['architecture', 'dependencies', 'modularity', 'integration-points'],
  security: ['security', 'auth-patterns', 'dataflow', 'validation'],
  performance: ['performance', 'bottlenecks', 'caching', 'data-access'],
  bugfix: ['error-handling', 'dataflow', 'state-management', 'edge-cases'],
  feature: ['patterns', 'integration-points', 'testing', 'dependencies'],
  refactor: ['architecture', 'patterns', 'dependencies', 'testing']
};

function selectAngles(taskDescription, complexity) {
  const text = taskDescription.toLowerCase();
  let preset = 'feature';
  if (/refactor|architect|restructure/.test(text)) preset = 'architecture';
  else if (/security|auth|permission/.test(text)) preset = 'security';
  else if (/performance|slow|optimi/.test(text)) preset = 'performance';
  else if (/fix|bug|error|issue/.test(text)) preset = 'bugfix';

  const count = complexity === 'High' ? 4 : (complexity === 'Medium' ? 3 : 1);
  return ANGLE_PRESETS[preset].slice(0, count);
}

const complexity = analyzeTaskComplexity(task_description);
const selectedAngles = selectAngles(task_description, complexity);
const sessionFolder = `.workflow/active/${session_id}/.process`;

// 2.2 Launch Parallel Explore Agents
const explorationTasks = selectedAngles.map((angle, index) =>
  Task(
    subagent_type="cli-explore-agent",
    description=`Explore: ${angle}`,
    prompt=`
## Task Objective
Execute **${angle}** exploration for task planning context. Analyze codebase from this specific angle to discover relevant structure, patterns, and constraints.

## Assigned Context
- **Exploration Angle**: ${angle}
- **Task Description**: ${task_description}
- **Session ID**: ${session_id}
- **Exploration Index**: ${index + 1} of ${selectedAngles.length}
- **Output File**: ${sessionFolder}/exploration-${angle}.json

## MANDATORY FIRST STEPS (Execute by Agent)
**You (cli-explore-agent) MUST execute these steps in order:**
1. Run: ccw tool exec get_modules_by_depth '{}' (project structure)
2. Run: rg -l "{keyword_from_task}" --type ts (locate relevant files)
3. Execute: cat ~/.claude/workflows/cli-templates/schemas/explore-json-schema.json (get output schema reference)

## Exploration Strategy (${angle} focus)

**Step 1: Structural Scan** (Bash)
- get_modules_by_depth.sh → identify modules related to ${angle}
- find/rg → locate files relevant to ${angle} aspect
- Analyze imports/dependencies from ${angle} perspective

**Step 2: Semantic Analysis** (Gemini CLI)
- How does existing code handle ${angle} concerns?
- What patterns are used for ${angle}?
- Where would new code integrate from ${angle} viewpoint?

**Step 3: Write Output**
- Consolidate ${angle} findings into JSON
- Identify ${angle}-specific clarification needs

## Expected Output

**File**: ${sessionFolder}/exploration-${angle}.json

**Schema Reference**: Schema obtained in MANDATORY FIRST STEPS step 3, follow schema exactly

**Required Fields** (all ${angle} focused):
- project_structure: Modules/architecture relevant to ${angle}
- relevant_files: Files affected from ${angle} perspective
  **IMPORTANT**: Use object format with relevance scores for synthesis:
  \`[{path: "src/file.ts", relevance: 0.85, rationale: "Core ${angle} logic"}]\`
  Scores: 0.7+ high priority, 0.5-0.7 medium, <0.5 low
- patterns: ${angle}-related patterns to follow
- dependencies: Dependencies relevant to ${angle}
- integration_points: Where to integrate from ${angle} viewpoint (include file:line locations)
- constraints: ${angle}-specific limitations/conventions
- clarification_needs: ${angle}-related ambiguities (options array + recommended index)
- _metadata.exploration_angle: "${angle}"

## Success Criteria
- [ ] Schema obtained via cat explore-json-schema.json
- [ ] get_modules_by_depth.sh executed
- [ ] At least 3 relevant files identified with ${angle} rationale
- [ ] Patterns are actionable (code examples, not generic advice)
- [ ] Integration points include file:line locations
- [ ] Constraints are project-specific to ${angle}
- [ ] JSON output follows schema exactly
- [ ] clarification_needs includes options + recommended

## Output
Write: ${sessionFolder}/exploration-${angle}.json
Return: 2-3 sentence summary of ${angle} findings
`
  )
);

// 2.3 Generate Manifest after all complete
const explorationFiles = bash(`find ${sessionFolder} -name "exploration-*.json" -type f`).split('\n').filter(f => f.trim());
const explorationManifest = {
  session_id,
  task_description,
  timestamp: new Date().toISOString(),
  complexity,
  exploration_count: selectedAngles.length,
  angles_explored: selectedAngles,
  explorations: explorationFiles.map(file => {
    const data = JSON.parse(Read(file));
    return { angle: data._metadata.exploration_angle, file: file.split('/').pop(), path: file, index: data._metadata.exploration_index };
  })
};
Write(`${sessionFolder}/explorations-manifest.json`, JSON.stringify(explorationManifest, null, 2));
```

### Step 3: Invoke Context-Search Agent

**Only execute after Step 2 completes**

```javascript
Task(
  subagent_type="context-search-agent",
  description="Gather comprehensive context for plan",
  prompt=`
## Execution Mode
**PLAN MODE** (Comprehensive) - Full Phase 1-3 execution

## Session Information
- **Session ID**: ${session_id}
- **Task Description**: ${task_description}
- **Output Path**: .workflow/${session_id}/.process/context-package.json

## Exploration Input (from Step 2)
- **Manifest**: ${sessionFolder}/explorations-manifest.json
- **Exploration Count**: ${explorationManifest.exploration_count}
- **Angles**: ${explorationManifest.angles_explored.join(', ')}
- **Complexity**: ${complexity}

## Mission
Execute complete context-search-agent workflow for implementation planning:

### Phase 1: Initialization & Pre-Analysis
1. **Project State Loading**: Read and parse `.workflow/project.json`. Use its `overview` section as the foundational `project_context`. This is your primary source for architecture, tech stack, and key components. If file doesn't exist, proceed with fresh analysis.
2. **Detection**: Check for existing context-package (early exit if valid)
3. **Foundation**: Initialize code-index, get project structure, load docs
4. **Analysis**: Extract keywords, determine scope, classify complexity based on task description and project state

### Phase 2: Multi-Source Context Discovery
Execute all discovery tracks:
- **Track 0**: Exploration Synthesis (load ${sessionFolder}/explorations-manifest.json, prioritize critical_files, deduplicate patterns/integration_points)
- **Track 1**: Historical archive analysis (query manifest.json for lessons learned)
- **Track 2**: Reference documentation (CLAUDE.md, architecture docs)
- **Track 3**: Web examples (use Exa MCP for unfamiliar tech/APIs)
- **Track 4**: Codebase analysis (5-layer discovery: files, content, patterns, deps, config/tests)

### Phase 3: Synthesis, Assessment & Packaging
1. Apply relevance scoring and build dependency graph
2. **Synthesize 4-source data**: Merge findings from all sources (archive > docs > code > web). **Prioritize the context from `project.json`** for architecture and tech stack unless code analysis reveals it's outdated.
3. **Populate `project_context`**: Directly use the `overview` from `project.json` to fill the `project_context` section of the output `context-package.json`. Include description, technology_stack, architecture, and key_components.
4. Integrate brainstorm artifacts (if .brainstorming/ exists, read content)
5. Perform conflict detection with risk assessment
6. **Inject historical conflicts** from archive analysis into conflict_detection
7. Generate and validate context-package.json

## Output Requirements
Complete context-package.json with:
- **metadata**: task_description, keywords, complexity, tech_stack, session_id
- **project_context**: description, technology_stack, architecture, key_components (sourced from `project.json` overview)
- **assets**: {documentation[], source_code[], config[], tests[]} with relevance scores
- **dependencies**: {internal[], external[]} with dependency graph
- **brainstorm_artifacts**: {guidance_specification, role_analyses[], synthesis_output} with content
- **conflict_detection**: {risk_level, risk_factors, affected_modules[], mitigation_strategy, historical_conflicts[]}
- **exploration_results**: {manifest_path, exploration_count, angles, explorations[], aggregated_insights} (from Track 0)

## Quality Validation
Before completion verify:
- [ ] Valid JSON format with all required fields
- [ ] File relevance accuracy >80%
- [ ] Dependency graph complete (max 2 transitive levels)
- [ ] Conflict risk level calculated correctly
- [ ] No sensitive data exposed
- [ ] Total files ≤50 (prioritize high-relevance)

Execute autonomously following agent documentation.
Report completion with statistics.
`
)
```

### Step 4: Output Verification

After agent completes, verify output:

```javascript
// Verify file was created
const outputPath = `.workflow/${session_id}/.process/context-package.json`;
if (!file_exists(outputPath)) {
  throw new Error("❌ Agent failed to generate context-package.json");
}

// Verify exploration_results included
const pkg = JSON.parse(Read(outputPath));
if (pkg.exploration_results?.exploration_count > 0) {
  console.log(`✅ Exploration results aggregated: ${pkg.exploration_results.exploration_count} angles`);
}
```

## Parameter Reference

| Parameter | Type | Required | Description |
|-----------|------|----------|-------------|
| `--session` | string | ✅ | Workflow session ID (e.g., WFS-user-auth) |
| `task_description` | string | ✅ | Detailed task description for context extraction |

## Output Schema

Refer to `context-search-agent.md` Phase 3.7 for complete `context-package.json` schema.

**Key Sections**:
- **metadata**: Session info, keywords, complexity, tech stack
- **project_context**: Architecture patterns, conventions, tech stack (populated from `project.json` overview)
- **assets**: Categorized files with relevance scores (documentation, source_code, config, tests)
- **dependencies**: Internal and external dependency graphs
- **brainstorm_artifacts**: Brainstorm documents with full content (if exists)
- **conflict_detection**: Risk assessment with mitigation strategies and historical conflicts
- **exploration_results**: Aggregated exploration insights (from parallel explore phase)

## Historical Archive Analysis

### Track 1: Query Archive Manifest

The context-search-agent MUST perform historical archive analysis as Track 1 in Phase 2:

**Step 1: Check for Archive Manifest**
```bash
# Check if archive manifest exists
if [[ -f .workflow/archives/manifest.json ]]; then
  # Manifest available for querying
fi
```

**Step 2: Extract Task Keywords**
```javascript
// From current task description, extract key entities and operations
const keywords = extractKeywords(task_description);
// Examples: ["User", "model", "authentication", "JWT", "reporting"]
```

**Step 3: Search Archive for Relevant Sessions**
```javascript
// Query manifest for sessions with matching tags or descriptions
const relevantArchives = archives.filter(archive => {
  return archive.tags.some(tag => keywords.includes(tag)) ||
         keywords.some(kw => archive.description.toLowerCase().includes(kw.toLowerCase()));
});
```

**Step 4: Extract Watch Patterns**
```javascript
// For each relevant archive, check watch_patterns for applicability
const historicalConflicts = [];

relevantArchives.forEach(archive => {
  archive.lessons.watch_patterns?.forEach(pattern => {
    // Check if pattern trigger matches current task
    if (isPatternRelevant(pattern.pattern, task_description)) {
      historicalConflicts.push({
        source_session: archive.session_id,
        pattern: pattern.pattern,
        action: pattern.action,
        files_to_check: pattern.related_files,
        archived_at: archive.archived_at
      });
    }
  });
});
```

**Step 5: Inject into Context Package**
```json
{
  "conflict_detection": {
    "risk_level": "medium",
    "risk_factors": ["..."],
    "affected_modules": ["..."],
    "mitigation_strategy": "...",
    "historical_conflicts": [
      {
        "source_session": "WFS-auth-feature",
        "pattern": "When modifying User model",
        "action": "Check reporting-service and auditing-service dependencies",
        "files_to_check": ["src/models/User.ts", "src/services/reporting.ts"],
        "archived_at": "2025-09-16T09:00:00Z"
      }
    ]
  }
}
```

### Risk Level Escalation

If `historical_conflicts` array is not empty, minimum risk level should be "medium":

```javascript
if (historicalConflicts.length > 0 && currentRisk === "low") {
  conflict_detection.risk_level = "medium";
  conflict_detection.risk_factors.push(
    `${historicalConflicts.length} historical conflict pattern(s) detected from past sessions`
  );
}
```

### Archive Query Algorithm

```markdown
1. IF .workflow/archives/manifest.json does NOT exist → Skip Track 1, continue to Track 2
2. IF manifest exists:
   a. Load manifest.json
   b. Extract keywords from task_description (nouns, verbs, technical terms)
   c. Filter archives where:
      - ANY tag matches keywords (case-insensitive) OR
      - description contains keywords (case-insensitive substring match)
   d. For each relevant archive:
      - Read lessons.watch_patterns array
      - Check if pattern.pattern keywords overlap with task_description
      - If relevant: Add to historical_conflicts array
   e. IF historical_conflicts.length > 0:
      - Set risk_level = max(current_risk, "medium")
      - Add to risk_factors
3. Continue to Track 2 (reference documentation)
```

## Notes

- **Detection-first**: Always check for existing package before invoking agent
- **Project.json integration**: Agent reads `.workflow/project.json` as primary source for project context, avoiding redundant analysis
- **Agent autonomy**: Agent handles all discovery logic per `.claude/agents/context-search-agent.md`
- **No redundancy**: This command is a thin orchestrator, all logic in agent
- **Plan-specific**: Use this for implementation planning; brainstorm mode uses direct agent call