project-session-manager

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Manage isolated dev environments with git worktrees and tmux sessions

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NPX Install

npx skill4agent add yeachan-heo/oh-my-claudecode project-session-manager

Tags

Translated version includes tags in frontmatter

Project Session Manager (PSM) Skill

Quick Start: For simple worktree creation without tmux sessions, use
omc teleport
:
bash
omc teleport #123          # Create worktree for issue/PR
omc teleport my-feature    # Create worktree for feature
omc teleport list          # List worktrees
See Teleport Command below for details.
Automate isolated development environments using git worktrees and tmux sessions with Claude Code. Enables parallel work across multiple tasks, projects, and repositories.

Commands

CommandDescriptionExample
review <ref>
PR review session
/psm review omc#123
fix <ref>
Issue fix session
/psm fix omc#42
feature <proj> <name>
Feature development
/psm feature omc add-webhooks
list [project]
List active sessions
/psm list
attach <session>
Attach to session
/psm attach omc:pr-123
kill <session>
Kill session
/psm kill omc:pr-123
cleanup
Clean merged/closed
/psm cleanup
status
Current session info
/psm status

Project References

Supported formats:
  • Alias:
    omc#123
    (requires
    ~/.psm/projects.json
    )
  • Full:
    owner/repo#123
  • URL:
    https://github.com/owner/repo/pull/123
  • Current:
    #123
    (uses current directory's repo)

Configuration

Project Aliases (
~/.psm/projects.json
)

json
{
  "aliases": {
    "omc": {
      "repo": "Yeachan-Heo/oh-my-claudecode",
      "local": "~/Workspace/oh-my-claudecode",
      "default_base": "main"
    }
  },
  "defaults": {
    "worktree_root": "~/.psm/worktrees",
    "cleanup_after_days": 14
  }
}

Providers

PSM supports multiple issue tracking providers:
ProviderCLI RequiredReference FormatsCommands
GitHub (default)
gh
owner/repo#123
,
alias#123
, GitHub URLs
review, fix, feature
Jira
jira
PROJ-123
(if PROJ configured),
alias#123
fix, feature

Jira Configuration

To use Jira, add an alias with
jira_project
and
provider: "jira"
:
json
{
  "aliases": {
    "mywork": {
      "jira_project": "MYPROJ",
      "repo": "mycompany/my-project",
      "local": "~/Workspace/my-project",
      "default_base": "develop",
      "provider": "jira"
    }
  }
}
Important: The
repo
field is still required for cloning the git repository. Jira tracks issues, but you work in a git repo.
For non-GitHub repos, use
clone_url
instead:
json
{
  "aliases": {
    "private": {
      "jira_project": "PRIV",
      "clone_url": "git@gitlab.internal:team/repo.git",
      "local": "~/Workspace/repo",
      "provider": "jira"
    }
  }
}

Jira Reference Detection

PSM only recognizes
PROJ-123
format as Jira when
PROJ
is explicitly configured as a
jira_project
in your aliases. This prevents false positives from branch names like
FIX-123
.

Jira Examples

bash
# Fix a Jira issue (MYPROJ must be configured)
psm fix MYPROJ-123

# Fix using alias (recommended)
psm fix mywork#123

# Feature development (works same as GitHub)
psm feature mywork add-webhooks

# Note: 'psm review' is not supported for Jira (no PR concept)
# Use 'psm fix' for Jira issues

Jira CLI Setup

Install the Jira CLI:
bash
# macOS
brew install ankitpokhrel/jira-cli/jira-cli

# Linux
# See: https://github.com/ankitpokhrel/jira-cli#installation

# Configure (interactive)
jira init
The Jira CLI handles authentication separately from PSM.

Directory Structure

~/.psm/
├── projects.json       # Project aliases
├── sessions.json       # Active session registry
└── worktrees/          # Worktree storage
    └── <project>/
        └── <type>-<id>/

Session Naming

TypeTmux SessionWorktree Dir
PR Review
psm:omc:pr-123
~/.psm/worktrees/omc/pr-123
Issue Fix
psm:omc:issue-42
~/.psm/worktrees/omc/issue-42
Feature
psm:omc:feat-auth
~/.psm/worktrees/omc/feat-auth

Implementation Protocol

When the user invokes a PSM command, follow this protocol:

Parse Arguments

Parse
{{ARGUMENTS}}
to determine:
  1. Subcommand: review, fix, feature, list, attach, kill, cleanup, status
  2. Reference: project#number, URL, or session ID
  3. Options: --branch, --base, --no-claude, --no-tmux, etc.

Subcommand:
review <ref>

Purpose: Create PR review session
Steps:
  1. Resolve reference:
    bash
    # Read project aliases
    cat ~/.psm/projects.json 2>/dev/null || echo '{"aliases":{}}'
    
    # Parse ref format: alias#num, owner/repo#num, or URL
    # Extract: project_alias, repo (owner/repo), pr_number, local_path
  2. Fetch PR info:
    bash
    gh pr view <pr_number> --repo <repo> --json number,title,author,headRefName,baseRefName,body,files,url
  3. Ensure local repo exists:
    bash
    # If local path doesn't exist, clone
    if [[ ! -d "$local_path" ]]; then
      git clone "https://github.com/$repo.git" "$local_path"
    fi
  4. Create worktree:
    bash
    worktree_path="$HOME/.psm/worktrees/$project_alias/pr-$pr_number"
    
    # Fetch PR branch
    cd "$local_path"
    git fetch origin "pull/$pr_number/head:pr-$pr_number-review"
    
    # Create worktree
    git worktree add "$worktree_path" "pr-$pr_number-review"
  5. Create session metadata:
    bash
    cat > "$worktree_path/.psm-session.json" << EOF
    {
      "id": "$project_alias:pr-$pr_number",
      "type": "review",
      "project": "$project_alias",
      "ref": "pr-$pr_number",
      "branch": "<head_branch>",
      "base": "<base_branch>",
      "created_at": "$(date -Iseconds)",
      "tmux_session": "psm:$project_alias:pr-$pr_number",
      "worktree_path": "$worktree_path",
      "source_repo": "$local_path",
      "github": {
        "pr_number": $pr_number,
        "pr_title": "<title>",
        "pr_author": "<author>",
        "pr_url": "<url>"
      },
      "state": "active"
    }
    EOF
  6. Update sessions registry:
    bash
    # Add to ~/.psm/sessions.json
  7. Create tmux session:
    bash
    tmux new-session -d -s "psm:$project_alias:pr-$pr_number" -c "$worktree_path"
  8. Launch Claude Code (unless --no-claude):
    bash
    tmux send-keys -t "psm:$project_alias:pr-$pr_number" "claude" Enter
  9. Output session info:
    Session ready!
    
      ID: omc:pr-123
      Worktree: ~/.psm/worktrees/omc/pr-123
      Tmux: psm:omc:pr-123
    
    To attach: tmux attach -t psm:omc:pr-123

Subcommand:
fix <ref>

Purpose: Create issue fix session
Steps:
  1. Resolve reference (same as review)
  2. Fetch issue info:
    bash
    gh issue view <issue_number> --repo <repo> --json number,title,body,labels,url
  3. Create feature branch:
    bash
    cd "$local_path"
    git fetch origin main
    branch_name="fix/$issue_number-$(echo "$title" | tr ' ' '-' | tr '[:upper:]' '[:lower:]' | head -c 30)"
    git checkout -b "$branch_name" origin/main
  4. Create worktree:
    bash
    worktree_path="$HOME/.psm/worktrees/$project_alias/issue-$issue_number"
    git worktree add "$worktree_path" "$branch_name"
  5. Create session metadata (similar to review, type="fix")
  6. Update registry, create tmux, launch claude (same as review)

Subcommand:
feature <project> <name>

Purpose: Start feature development
Steps:
  1. Resolve project (from alias or path)
  2. Create feature branch:
    bash
    cd "$local_path"
    git fetch origin main
    branch_name="feature/$feature_name"
    git checkout -b "$branch_name" origin/main
  3. Create worktree:
    bash
    worktree_path="$HOME/.psm/worktrees/$project_alias/feat-$feature_name"
    git worktree add "$worktree_path" "$branch_name"
  4. Create session, tmux, launch claude (same pattern)

Subcommand:
list [project]

Purpose: List active sessions
Steps:
  1. Read sessions registry:
    bash
    cat ~/.psm/sessions.json 2>/dev/null || echo '{"sessions":{}}'
  2. Check tmux sessions:
    bash
    tmux list-sessions -F "#{session_name}" 2>/dev/null | grep "^psm:"
  3. Check worktrees:
    bash
    ls -la ~/.psm/worktrees/*/ 2>/dev/null
  4. Format output:
    Active PSM Sessions:
    
    ID                 | Type    | Status   | Worktree
    -------------------|---------|----------|---------------------------
    omc:pr-123        | review  | active   | ~/.psm/worktrees/omc/pr-123
    omc:issue-42      | fix     | detached | ~/.psm/worktrees/omc/issue-42

Subcommand:
attach <session>

Purpose: Attach to existing session
Steps:
  1. Parse session ID:
    project:type-number
  2. Verify session exists:
    bash
    tmux has-session -t "psm:$session_id" 2>/dev/null
  3. Attach:
    bash
    tmux attach -t "psm:$session_id"

Subcommand:
kill <session>

Purpose: Kill session and cleanup
Steps:
  1. Kill tmux session:
    bash
    tmux kill-session -t "psm:$session_id" 2>/dev/null
  2. Remove worktree:
    bash
    worktree_path=$(jq -r ".sessions[\"$session_id\"].worktree" ~/.psm/sessions.json)
    source_repo=$(jq -r ".sessions[\"$session_id\"].source_repo" ~/.psm/sessions.json)
    
    cd "$source_repo"
    git worktree remove "$worktree_path" --force
  3. Update registry:
    bash
    # Remove from sessions.json

Subcommand:
cleanup

Purpose: Clean up merged PRs and closed issues
Steps:
  1. Read all sessions
  2. For each PR session, check if merged:
    bash
    gh pr view <pr_number> --repo <repo> --json merged,state
  3. For each issue session, check if closed:
    bash
    gh issue view <issue_number> --repo <repo> --json closed,state
  4. Clean up merged/closed sessions:
    • Kill tmux session
    • Remove worktree
    • Update registry
  5. Report:
    Cleanup complete:
      Removed: omc:pr-123 (merged)
      Removed: omc:issue-42 (closed)
      Kept: omc:feat-auth (active)

Subcommand:
status

Purpose: Show current session info
Steps:
  1. Detect current session from tmux or cwd:
    bash
    tmux display-message -p "#{session_name}" 2>/dev/null
    # or check if cwd is inside a worktree
  2. Read session metadata:
    bash
    cat .psm-session.json 2>/dev/null
  3. Show status:
    Current Session: omc:pr-123
    Type: review
    PR: #123 - Add webhook support
    Branch: feature/webhooks
    Created: 2 hours ago

Error Handling

ErrorResolution
Worktree existsOffer: attach, recreate, or abort
PR not foundVerify URL/number, check permissions
No tmuxWarn and skip session creation
No gh CLIError with install instructions

Teleport Command

The
omc teleport
command provides a lightweight alternative to full PSM sessions. It creates git worktrees without tmux session management — ideal for quick, isolated development.

Usage

bash
# Create worktree for an issue or PR
omc teleport #123
omc teleport owner/repo#123
omc teleport https://github.com/owner/repo/issues/42

# Create worktree for a feature
omc teleport my-feature

# List existing worktrees
omc teleport list

# Remove a worktree
omc teleport remove issue/my-repo-123
omc teleport remove --force feat/my-repo-my-feature

Options

FlagDescriptionDefault
--worktree
Create worktree (default, kept for compatibility)
true
--path <path>
Custom worktree root directory
~/Workspace/omc-worktrees/
--base <branch>
Base branch to create from
main
--json
Output as JSON
false

Worktree Layout

~/Workspace/omc-worktrees/
├── issue/
│   └── my-repo-123/        # Issue worktrees
├── pr/
│   └── my-repo-456/        # PR review worktrees
└── feat/
    └── my-repo-my-feature/ # Feature worktrees

PSM vs Teleport

FeaturePSMTeleport
Git worktreeYesYes
Tmux sessionYesNo
Claude Code launchYesNo
Session registryYesNo
Auto-cleanupYesNo
Project aliasesYesNo (uses current repo)
Use PSM for full managed sessions. Use teleport for quick worktree creation.

Requirements

Required:
  • git
    - Version control (with worktree support v2.5+)
  • jq
    - JSON parsing
  • tmux
    - Session management (optional, but recommended)
Optional (per provider):
  • gh
    - GitHub CLI (for GitHub workflows)
  • jira
    - Jira CLI (for Jira workflows)

Initialization

On first run, create default config:
bash
mkdir -p ~/.psm/worktrees ~/.psm/logs

# Create default projects.json if not exists
if [[ ! -f ~/.psm/projects.json ]]; then
  cat > ~/.psm/projects.json << 'EOF'
{
  "aliases": {
    "omc": {
      "repo": "Yeachan-Heo/oh-my-claudecode",
      "local": "~/Workspace/oh-my-claudecode",
      "default_base": "main"
    }
  },
  "defaults": {
    "worktree_root": "~/.psm/worktrees",
    "cleanup_after_days": 14,
    "auto_cleanup_merged": true
  }
}
EOF
fi

# Create sessions.json if not exists
if [[ ! -f ~/.psm/sessions.json ]]; then
  echo '{"version":1,"sessions":{},"stats":{"total_created":0,"total_cleaned":0}}' > ~/.psm/sessions.json
fi