diff --git a/.claude/agents/code-developer.md b/.claude/agents/code-developer.md
index e01a0e28..15999203 100644
--- a/.claude/agents/code-developer.md
+++ b/.claude/agents/code-developer.md
@@ -34,10 +34,11 @@ You are a code execution specialist focused on implementing high-quality, produc
 - **context-package.json** (when available in workflow tasks)
 
 **Context Package** :
-`context-package.json` provides artifact paths - extract dynamically using `jq`:
+`context-package.json` provides artifact paths - read using `ccw session`:
 ```bash
-# Get role analysis paths from context package
-jq -r '.brainstorm_artifacts.role_analyses[].files[].path' context-package.json
+# Get context package content from session
+ccw session read ${SESSION_ID} --type context
+# Returns parsed JSON with brainstorm_artifacts, focus_paths, etc.
 ```
 
 **Pre-Analysis: Smart Tech Stack Loading**:
diff --git a/.claude/commands/workflow/execute.md b/.claude/commands/workflow/execute.md
index 228b771a..97465596 100644
--- a/.claude/commands/workflow/execute.md
+++ b/.claude/commands/workflow/execute.md
@@ -68,8 +68,8 @@ Phase 4: Execution Strategy & Task Execution
          ├─ Lazy load task JSON
          ├─ Launch agent with task context
          ├─ Mark task completed (update IMPL-*.json status)
-         │  # Quick fix: Update task status for ccw dashboard
-         │  # TS=$(date -Iseconds) && jq --arg ts "$TS" '.status="completed" | .status_history=(.status_history // [])+[{"from":"in_progress","to":"completed","changed_at":$ts}]' IMPL-X.json > tmp.json && mv tmp.json IMPL-X.json
+         │  # Update task status with ccw session (auto-tracks status_history):
+         │  # ccw session task ${sessionId} IMPL-X completed
          └─ Advance to next task
 
 Phase 5: Completion
@@ -92,37 +92,32 @@ Resume Mode (--resume-session):
 
 **Process**:
 
-#### Step 1.1: Count Active Sessions
+#### Step 1.1: List Active Sessions
 ```bash
-bash(find .workflow/active/ -name "WFS-*" -type d 2>/dev/null | wc -l)
+ccw session list --location active
+# Returns: {"success":true,"result":{"active":[...],"total":N}}
 ```
 
 #### Step 1.2: Handle Session Selection
 
-**Case A: No Sessions** (count = 0)
+**Case A: No Sessions** (total = 0)
 ```
 ERROR: No active workflow sessions found
 Run /workflow:plan "task description" to create a session
 ```
 
-**Case B: Single Session** (count = 1)
-```bash
-bash(find .workflow/active/ -name "WFS-*" -type d 2>/dev/null | head -1 | xargs basename)
-```
-Auto-select and continue to Phase 2.
+**Case B: Single Session** (total = 1)
+Auto-select the single session from result.active[0].session_id and continue to Phase 2.
 
-**Case C: Multiple Sessions** (count > 1)
+**Case C: Multiple Sessions** (total > 1)
 
-List sessions with metadata and prompt user selection:
+List sessions with metadata using ccw session:
 ```bash
-bash(for dir in .workflow/active/WFS-*/; do
-  session=$(basename "$dir")
-  project=$(jq -r '.project // "Unknown"' "$dir/workflow-session.json" 2>/dev/null)
-  total=$(grep -c "^- \[" "$dir/TODO_LIST.md" 2>/dev/null || echo "0")
-  completed=$(grep -c "^- \[x\]" "$dir/TODO_LIST.md" 2>/dev/null || echo "0")
-  [ "$total" -gt 0 ] && progress=$((completed * 100 / total)) || progress=0
-  echo "${session} | ${project} | ${completed}/${total} tasks (${progress}%)"
-done)
+# Get session list with metadata
+ccw session list --location active
+
+# For each session, get stats
+ccw session stats WFS-session-name
 ```
 
 Use AskUserQuestion to present formatted options (max 4 options shown):
@@ -154,7 +149,7 @@ Parse user input (supports: number "1", full ID "WFS-auth-system", or partial "a
 
 #### Step 1.3: Load Session Metadata
 ```bash
-bash(cat .workflow/active/${sessionId}/workflow-session.json)
+ccw session read ${sessionId} --type session
 ```
 
 **Output**: Store session metadata in memory
@@ -164,8 +159,8 @@ bash(cat .workflow/active/${sessionId}/workflow-session.json)
 **Purpose**: Update workflow-session.json status from "planning" to "active" for dashboard monitoring.
 
 ```bash
-# Update status atomically using jq
-bash(jq '.status = "active"' .workflow/active/${sessionId}/workflow-session.json > /tmp/ws.json && mv /tmp/ws.json .workflow/active/${sessionId}/workflow-session.json)
+# Update status atomically using ccw session
+ccw session status ${sessionId} active
 ```
 
 **Resume Mode**: This entire phase is skipped when `--resume-session="session-id"` flag is provided.
diff --git a/.claude/commands/workflow/session/complete.md b/.claude/commands/workflow/session/complete.md
index de7a998f..f7337586 100644
--- a/.claude/commands/workflow/session/complete.md
+++ b/.claude/commands/workflow/session/complete.md
@@ -25,17 +25,15 @@ Mark the currently active workflow session as complete, analyze it for lessons l
 
 #### Step 1.1: Find Active Session and Get Name
 ```bash
-# Find active session directory
-bash(find .workflow/active/ -name "WFS-*" -type d | head -1)
-
-# Extract session name from directory path
-bash(basename .workflow/active/WFS-session-name)
+# Find active session
+ccw session list --location active
+# Extract first session_id from result.active array
 ```
 **Output**: Session name `WFS-session-name`
 
 #### Step 1.2: Check for Existing Archiving Marker (Resume Detection)
 ```bash
-# Check if session is already being archived
+# Check if session is already being archived (marker file exists)
 bash(test -f .workflow/active/WFS-session-name/.archiving && echo "RESUMING" || echo "NEW")
 ```
 
@@ -161,26 +159,17 @@ Analyze workflow session for archival preparation. Session is STILL in active lo
 
 **Purpose**: Atomically commit all changes. Only execute if Phase 2 succeeds.
 
-#### Step 3.1: Create Archive Directory
+#### Step 3.1: Update Session Status and Archive
 ```bash
-bash(mkdir -p .workflow/archives/)
-```
-
-#### Step 3.2: Update Session Status to Completed
-**Purpose**: Update workflow-session.json status to "completed" for dashboard display.
-
-```bash
-# Update status atomically using jq
-bash(jq '.status = "completed"' .workflow/active/WFS-session-name/workflow-session.json > /tmp/ws.json && mv /tmp/ws.json .workflow/active/WFS-session-name/workflow-session.json)
-```
-
-#### Step 3.3: Move Session to Archive
-```bash
-bash(mv .workflow/active/WFS-session-name .workflow/archives/WFS-session-name)
+# Archive session (updates status to "completed" and moves to archives)
+ccw session archive WFS-session-name
+# This operation atomically:
+# 1. Updates workflow-session.json status to "completed"
+# 2. Moves session from .workflow/active/ to .workflow/archives/
 ```
 **Result**: Session now at `.workflow/archives/WFS-session-name/`
 
-#### Step 3.4: Update Manifest
+#### Step 3.2: Update Manifest
 ```bash
 # Read current manifest (or create empty array if not exists)
 bash(test -f .workflow/archives/manifest.json && cat .workflow/archives/manifest.json || echo "[]")
diff --git a/.claude/commands/workflow/session/list.md b/.claude/commands/workflow/session/list.md
index 78c16d82..630b4b0a 100644
--- a/.claude/commands/workflow/session/list.md
+++ b/.claude/commands/workflow/session/list.md
@@ -17,41 +17,30 @@ Display all workflow sessions with their current status, progress, and metadata.
 
 ## Implementation Flow
 
-### Step 1: Find All Sessions
+### Step 1: List All Sessions
 ```bash
-ls .workflow/active/WFS-* 2>/dev/null
+ccw session list --location both
 ```
 
-### Step 2: Check Active Session
+### Step 2: Get Session Statistics
 ```bash
-find .workflow/active/ -name "WFS-*" -type d 2>/dev/null | head -1
+ccw session stats WFS-session
+# Returns: tasks count by status, summaries count, has_plan
 ```
 
 ### Step 3: Read Session Metadata
 ```bash
-jq -r '.session_id, .status, .project' .workflow/active/WFS-session/workflow-session.json
+ccw session read WFS-session --type session
+# Returns: session_id, status, project, created_at, etc.
 ```
 
-### Step 4: Count Task Progress
-```bash
-find .workflow/active/WFS-session/.task/ -name "*.json" -type f 2>/dev/null | wc -l
-find .workflow/active/WFS-session/.summaries/ -name "*.md" -type f 2>/dev/null | wc -l
-```
-
-### Step 5: Get Creation Time
-```bash
-jq -r '.created_at // "unknown"' .workflow/active/WFS-session/workflow-session.json
-```
-
-## Simple Bash Commands
+## Simple Commands
 
 ### Basic Operations
-- **List sessions**: `find .workflow/active/ -name "WFS-*" -type d`
-- **Find active**: `find .workflow/active/ -name "WFS-*" -type d`
-- **Read session data**: `jq -r '.session_id, .status' session.json`
-- **Count tasks**: `find .task/ -name "*.json" -type f | wc -l`
-- **Count completed**: `find .summaries/ -name "*.md" -type f 2>/dev/null | wc -l`
-- **Get timestamp**: `jq -r '.created_at' session.json`
+- **List all sessions**: `ccw session list`
+- **List active only**: `ccw session list --location active`
+- **Read session data**: `ccw session read WFS-xxx --type session`
+- **Get task stats**: `ccw session stats WFS-xxx`
 
 ## Simple Output Format
 
diff --git a/.claude/commands/workflow/session/resume.md b/.claude/commands/workflow/session/resume.md
index 05527ca3..11f4b6ec 100644
--- a/.claude/commands/workflow/session/resume.md
+++ b/.claude/commands/workflow/session/resume.md
@@ -17,39 +17,35 @@ Resume the most recently paused workflow session, restoring all context and stat
 
 ### Step 1: Find Paused Sessions
 ```bash
-ls .workflow/active/WFS-* 2>/dev/null
+ccw session list --location active
+# Filter for sessions with status="paused"
 ```
 
 ### Step 2: Check Session Status
 ```bash
-jq -r '.status' .workflow/active/WFS-session/workflow-session.json
+ccw session read WFS-session --type session
+# Check .status field in response
 ```
 
 ### Step 3: Find Most Recent Paused
 ```bash
-ls -t .workflow/active/WFS-*/workflow-session.json | head -1
+ccw session list --location active
+# Sort by created_at, filter for paused status
 ```
 
-### Step 4: Update Session Status
+### Step 4: Update Session Status to Active
 ```bash
-jq '.status = "active"' .workflow/active/WFS-session/workflow-session.json > temp.json
-mv temp.json .workflow/active/WFS-session/workflow-session.json
+ccw session status WFS-session active
+# Or with full update:
+ccw session update WFS-session --type session --content '{"status":"active","resumed_at":"2025-12-10T08:00:00Z"}'
 ```
 
-### Step 5: Add Resume Timestamp
-```bash
-jq '.resumed_at = "'$(date -u +%Y-%m-%dT%H:%M:%SZ)'"' .workflow/active/WFS-session/workflow-session.json > temp.json
-mv temp.json .workflow/active/WFS-session/workflow-session.json
-```
-
-## Simple Bash Commands
+## Simple Commands
 
 ### Basic Operations
-- **List sessions**: `ls .workflow/active/WFS-*`
-- **Check status**: `jq -r '.status' session.json`
-- **Find recent**: `ls -t .workflow/active/*/workflow-session.json | head -1`
-- **Update status**: `jq '.status = "active"' session.json > temp.json`
-- **Add timestamp**: `jq '.resumed_at = "'$(date -u +%Y-%m-%dT%H:%M:%SZ)'"'`
+- **List sessions**: `ccw session list --location active`
+- **Check status**: `ccw session read WFS-xxx --type session`
+- **Update status**: `ccw session status WFS-xxx active`
 
 ### Resume Result
 ```
diff --git a/.claude/commands/workflow/session/start.md b/.claude/commands/workflow/session/start.md
index b40f1358..f848b21a 100644
--- a/.claude/commands/workflow/session/start.md
+++ b/.claude/commands/workflow/session/start.md
@@ -70,12 +70,12 @@ SlashCommand({command: "/workflow:init"});
 
 ### Step 1: List Active Sessions
 ```bash
-bash(ls -1 .workflow/active/ 2>/dev/null | head -5)
+ccw session list --location active
 ```
 
 ### Step 2: Display Session Metadata
 ```bash
-bash(cat .workflow/active/WFS-promptmaster-platform/workflow-session.json)
+ccw session read WFS-promptmaster-platform --type session
 ```
 
 ### Step 4: User Decision
@@ -92,34 +92,29 @@ Present session information and wait for user to select or create session.
 
 ### Step 1: Check Active Sessions Count
 ```bash
-bash(find .workflow/active/ -name "WFS-*" -type d 2>/dev/null | wc -l)
+ccw session list --location active
+# Check result.total in response
 ```
 
 ### Step 2a: No Active Sessions → Create New
 ```bash
-# Generate session slug
-bash(echo "implement OAuth2 auth" | sed 's/[^a-zA-Z0-9]/-/g' | tr '[:upper:]' '[:lower:]' | cut -c1-50)
+# Generate session slug from description
+# Pattern: WFS-{lowercase-slug-from-description}
 
-# Create directory structure
-bash(mkdir -p .workflow/active/WFS-implement-oauth2-auth/.process)
-bash(mkdir -p .workflow/active/WFS-implement-oauth2-auth/.task)
-bash(mkdir -p .workflow/active/WFS-implement-oauth2-auth/.summaries)
-
-# Create metadata (include type field, default to "workflow" if not specified)
-bash(echo '{"session_id":"WFS-implement-oauth2-auth","project":"implement OAuth2 auth","status":"planning","type":"workflow","created_at":"2024-12-04T08:00:00Z"}' > .workflow/active/WFS-implement-oauth2-auth/workflow-session.json)
+# Create session with ccw (creates directories + metadata atomically)
+ccw session init WFS-implement-oauth2-auth --type workflow --content '{"project":"implement OAuth2 auth","status":"planning"}'
 ```
 
 **Output**: `SESSION_ID: WFS-implement-oauth2-auth`
 
 ### Step 2b: Single Active Session → Check Relevance
 ```bash
-# Extract session ID
-bash(find .workflow/active/ -name "WFS-*" -type d 2>/dev/null | head -1 | xargs basename)
+# Get session list with metadata
+ccw session list --location active
 
-# Read project name from metadata
-bash(cat .workflow/active/WFS-promptmaster-platform/workflow-session.json | grep -o '"project":"[^"]*"' | cut -d'"' -f4)
+# Read session metadata for relevance check
+ccw session read WFS-promptmaster-platform --type session
 
-# Check keyword match (manual comparison)
 # If task contains project keywords → Reuse session
 # If task unrelated → Create new session (use Step 2a)
 ```
@@ -129,8 +124,9 @@ bash(cat .workflow/active/WFS-promptmaster-platform/workflow-session.json | grep
 
 ### Step 2c: Multiple Active Sessions → Use First
 ```bash
-# Get first active session
-bash(find .workflow/active/ -name "WFS-*" -type d 2>/dev/null | head -1 | xargs basename)
+# Get first active session from list
+ccw session list --location active
+# Use first session_id from result.active array
 
 # Output warning and session ID
 # WARNING: Multiple active sessions detected
@@ -146,24 +142,15 @@ bash(find .workflow/active/ -name "WFS-*" -type d 2>/dev/null | head -1 | xargs
 
 ### Step 1: Generate Unique Session Slug
 ```bash
-# Convert to slug
-bash(echo "fix login bug" | sed 's/[^a-zA-Z0-9]/-/g' | tr '[:upper:]' '[:lower:]' | cut -c1-50)
-
-# Check if exists, add counter if needed
-bash(ls .workflow/active/WFS-fix-login-bug 2>/dev/null && echo "WFS-fix-login-bug-2" || echo "WFS-fix-login-bug")
+# Convert description to slug: lowercase, alphanumeric + hyphen, max 50 chars
+# Check if exists via ccw session list, add counter if collision
+ccw session list --location active
 ```
 
 ### Step 2: Create Session Structure
 ```bash
-bash(mkdir -p .workflow/active/WFS-fix-login-bug/.process)
-bash(mkdir -p .workflow/active/WFS-fix-login-bug/.task)
-bash(mkdir -p .workflow/active/WFS-fix-login-bug/.summaries)
-```
-
-### Step 3: Create Metadata
-```bash
-# Include type field from --type parameter (default: "workflow")
-bash(echo '{"session_id":"WFS-fix-login-bug","project":"fix login bug","status":"planning","type":"workflow","created_at":"2024-12-04T08:00:00Z"}' > .workflow/active/WFS-fix-login-bug/workflow-session.json)
+# Single command creates directories (.process, .task, .summaries) + metadata
+ccw session init WFS-fix-login-bug --type workflow --content '{"project":"fix login bug","status":"planning"}'
 ```
 
 **Output**: `SESSION_ID: WFS-fix-login-bug`