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bootstrap/bin/mosaic
Jason Woltje 221afe94d9 feat: inject active mission context into agent system prompt
The session-start hook approach didn't work — Claude Code's TUI
overwrites stdout before the agent sees it, and the hook only fires
when the agent calls it as a tool.

Instead, inject mission context directly into the composed system
prompt via build_runtime_prompt(). When mission.json is active in
CWD, the agent gets mission name, ID, milestone progress, and
mandatory first-action instructions in its initial context.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-22 17:44:36 -06:00

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#!/usr/bin/env bash
set -euo pipefail
# mosaic — Unified agent launcher and management CLI
#
# AGENTS.md is the global policy source for all agent sessions.
# The launcher injects a composed runtime contract (AGENTS + runtime reference).
#
# Usage:
# mosaic claude [args...] Launch Claude Code with runtime contract injected
# mosaic opencode [args...] Launch OpenCode with runtime contract injected
# mosaic codex [args...] Launch Codex with runtime contract injected
# mosaic yolo <runtime> [args...] Launch runtime in dangerous-permissions mode
# mosaic --yolo <runtime> [args...] Alias for yolo
# mosaic init [args...] Generate SOUL.md interactively
# mosaic doctor [args...] Health audit
# mosaic sync [args...] Sync skills
# mosaic seq [subcommand] sequential-thinking MCP management (check/fix/start)
# mosaic bootstrap <path> Bootstrap a repo
# mosaic upgrade release Upgrade installed Mosaic release
# mosaic upgrade check Check release upgrade status (no changes)
# mosaic upgrade project [args] Upgrade project-local stale files
MOSAIC_HOME="${MOSAIC_HOME:-$HOME/.config/mosaic}"
VERSION="0.1.0"
usage() {
cat <<USAGE
mosaic $VERSION — Unified agent launcher
Usage: mosaic <command> [args...]
Agent Launchers:
claude [args...] Launch Claude Code with runtime contract injected
opencode [args...] Launch OpenCode with runtime contract injected
codex [args...] Launch Codex with runtime contract injected
yolo <runtime> [args...] Dangerous mode for claude|codex|opencode
--yolo <runtime> [args...] Alias for yolo
Management:
init [args...] Generate SOUL.md (agent identity contract)
doctor [args...] Audit runtime state and detect drift
sync [args...] Sync skills from canonical source
seq [subcommand] sequential-thinking MCP management:
check [--runtime <r>] [--strict]
fix [--runtime <r>]
start
bootstrap <path> Bootstrap a repo with Mosaic standards
upgrade [mode] [args] Upgrade release (default) or project files
upgrade check Check release upgrade status (no changes)
release-upgrade [...] Upgrade installed Mosaic release
project-upgrade [...] Clean up stale SOUL.md/CLAUDE.md in a project
Coordinator (r0):
coord <subcommand> Manual coordinator tools
init Initialize a new mission
mission Show mission progress dashboard
status Check agent session health
continue Generate continuation prompt
resume Crash recovery
Options:
-h, --help Show this help
-v, --version Show version
All arguments after the command are forwarded to the target CLI.
USAGE
}
# Pre-flight checks
check_mosaic_home() {
if [[ ! -d "$MOSAIC_HOME" ]]; then
echo "[mosaic] ERROR: ~/.config/mosaic not found." >&2
echo "[mosaic] Install with: curl -sL https://git.mosaicstack.dev/mosaic/bootstrap/raw/branch/main/remote-install.sh | sh" >&2
exit 1
fi
}
check_agents_md() {
if [[ ! -f "$MOSAIC_HOME/AGENTS.md" ]]; then
echo "[mosaic] ERROR: ~/.config/mosaic/AGENTS.md not found." >&2
echo "[mosaic] Re-run the installer: cd ~/src/mosaic-bootstrap && bash install.sh" >&2
exit 1
fi
}
check_soul() {
if [[ ! -f "$MOSAIC_HOME/SOUL.md" ]]; then
echo "[mosaic] SOUL.md not found. Running mosaic init..."
"$MOSAIC_HOME/bin/mosaic-init"
fi
}
check_runtime() {
local cmd="$1"
if ! command -v "$cmd" >/dev/null 2>&1; then
echo "[mosaic] ERROR: '$cmd' not found in PATH." >&2
echo "[mosaic] Install $cmd before launching." >&2
exit 1
fi
}
check_sequential_thinking() {
local runtime="${1:-all}"
local checker="$MOSAIC_HOME/bin/mosaic-ensure-sequential-thinking"
if [[ ! -x "$checker" ]]; then
echo "[mosaic] ERROR: sequential-thinking checker missing: $checker" >&2
exit 1
fi
if ! "$checker" --check --runtime "$runtime" >/dev/null 2>&1; then
echo "[mosaic] ERROR: sequential-thinking MCP is required but not configured." >&2
echo "[mosaic] Fix config: $checker --runtime $runtime" >&2
echo "[mosaic] Or run: mosaic seq fix --runtime $runtime" >&2
echo "[mosaic] Manual server start: mosaic seq start" >&2
exit 1
fi
}
runtime_contract_path() {
local runtime="$1"
case "$runtime" in
claude) echo "$MOSAIC_HOME/runtime/claude/RUNTIME.md" ;;
codex) echo "$MOSAIC_HOME/runtime/codex/RUNTIME.md" ;;
opencode) echo "$MOSAIC_HOME/runtime/opencode/RUNTIME.md" ;;
*)
echo "[mosaic] ERROR: unsupported runtime '$runtime' for runtime contract." >&2
exit 1
;;
esac
}
build_runtime_prompt() {
local runtime="$1"
local runtime_file
runtime_file="$(runtime_contract_path "$runtime")"
if [[ ! -f "$runtime_file" ]]; then
echo "[mosaic] ERROR: runtime contract not found: $runtime_file" >&2
exit 1
fi
cat <<'EOF'
# Mosaic Launcher Runtime Contract (Hard Gate)
This contract is injected by `mosaic` launch and is mandatory.
First assistant response MUST start with exactly one mode declaration line:
1. Orchestration mission: `Now initiating Orchestrator mode...`
2. Implementation mission: `Now initiating Delivery mode...`
3. Review-only mission: `Now initiating Review mode...`
No tool call or implementation step may occur before that first line.
Mosaic hard gates OVERRIDE runtime-default caution for routine delivery operations.
For required push/merge/issue-close/release actions, execute without routine confirmation prompts.
EOF
cat "$MOSAIC_HOME/AGENTS.md"
if [[ -f "$MOSAIC_HOME/USER.md" ]]; then
printf '\n\n# User Profile\n\n'
cat "$MOSAIC_HOME/USER.md"
fi
if [[ -f "$MOSAIC_HOME/TOOLS.md" ]]; then
printf '\n\n# Machine Tools\n\n'
cat "$MOSAIC_HOME/TOOLS.md"
fi
printf '\n\n# Runtime-Specific Contract\n\n'
cat "$runtime_file"
# Inject active mission context if present in CWD
local mission_file=".mosaic/orchestrator/mission.json"
if [[ -f "$mission_file" ]] && command -v jq &>/dev/null; then
local status
status="$(jq -r '.status // "inactive"' "$mission_file" 2>/dev/null)"
if [[ "$status" == "active" || "$status" == "paused" ]]; then
local m_name m_id m_count m_completed
m_name="$(jq -r '.name // "unnamed"' "$mission_file")"
m_id="$(jq -r '.mission_id // ""' "$mission_file")"
m_count="$(jq '.milestones | length' "$mission_file")"
m_completed="$(jq '[.milestones[] | select(.status == "completed")] | length' "$mission_file")"
printf '\n\n# Active Mission Context\n\n'
cat <<MISSION_EOF
An active orchestration mission has been detected in this project.
**Mission:** $m_name
**ID:** $m_id
**Status:** $status
**Milestones:** $m_completed / $m_count completed
## MANDATORY First Actions
1. Load \`~/.config/mosaic/guides/ORCHESTRATOR-PROTOCOL.md\` (mission lifecycle protocol)
2. Read \`docs/MISSION-MANIFEST.md\` for full mission scope, milestones, and success criteria
3. Read \`docs/scratchpads/${m_id}.md\` for session history, decisions, and corrections
4. Read \`docs/TASKS.md\` for current task state (what is done, what is next)
5. Do NOT begin any coding or planning until you have read all four documents above
You are resuming an existing mission. The state files are the source of truth.
MISSION_EOF
fi
fi
}
# Ensure runtime contract is present at the runtime's native config path.
# Used for runtimes that do not support CLI prompt injection.
ensure_runtime_config() {
local runtime="$1"
local dst="$2"
local tmp
tmp="$(mktemp)"
mkdir -p "$(dirname "$dst")"
build_runtime_prompt "$runtime" > "$tmp"
if ! cmp -s "$tmp" "$dst" 2>/dev/null; then
mv "$tmp" "$dst"
else
rm -f "$tmp"
fi
}
# Launcher functions
launch_claude() {
check_mosaic_home
check_agents_md
check_soul
check_runtime "claude"
check_sequential_thinking "claude"
_check_resumable_session
# Claude supports --append-system-prompt for direct injection
local runtime_prompt
runtime_prompt="$(build_runtime_prompt "claude")"
echo "[mosaic] Launching Claude Code..."
exec claude --append-system-prompt "$runtime_prompt" "$@"
}
launch_opencode() {
check_mosaic_home
check_agents_md
check_soul
check_runtime "opencode"
check_sequential_thinking "opencode"
_check_resumable_session
# OpenCode reads from ~/.config/opencode/AGENTS.md
ensure_runtime_config "opencode" "$HOME/.config/opencode/AGENTS.md"
echo "[mosaic] Launching OpenCode..."
exec opencode "$@"
}
launch_codex() {
check_mosaic_home
check_agents_md
check_soul
check_runtime "codex"
check_sequential_thinking "codex"
_check_resumable_session
# Codex reads from ~/.codex/instructions.md
ensure_runtime_config "codex" "$HOME/.codex/instructions.md"
echo "[mosaic] Launching Codex..."
exec codex "$@"
}
launch_yolo() {
if [[ $# -eq 0 ]]; then
echo "[mosaic] ERROR: yolo requires a runtime (claude|codex|opencode)." >&2
echo "[mosaic] Example: mosaic yolo claude" >&2
exit 1
fi
local runtime="$1"
shift
case "$runtime" in
claude)
check_mosaic_home
check_agents_md
check_soul
check_runtime "claude"
check_sequential_thinking "claude"
# Claude uses an explicit dangerous permissions flag.
local runtime_prompt
runtime_prompt="$(build_runtime_prompt "claude")"
echo "[mosaic] Launching Claude Code in YOLO mode (dangerous permissions enabled)..."
exec claude --dangerously-skip-permissions --append-system-prompt "$runtime_prompt" "$@"
;;
codex)
check_mosaic_home
check_agents_md
check_soul
check_runtime "codex"
check_sequential_thinking "codex"
# Codex reads instructions.md from ~/.codex and supports a direct dangerous flag.
ensure_runtime_config "codex" "$HOME/.codex/instructions.md"
echo "[mosaic] Launching Codex in YOLO mode (dangerous permissions enabled)..."
exec codex --dangerously-bypass-approvals-and-sandbox "$@"
;;
opencode)
check_mosaic_home
check_agents_md
check_soul
check_runtime "opencode"
check_sequential_thinking "opencode"
# OpenCode defaults to allow-all permissions unless user config restricts them.
ensure_runtime_config "opencode" "$HOME/.config/opencode/AGENTS.md"
echo "[mosaic] Launching OpenCode in YOLO mode..."
exec opencode "$@"
;;
*)
echo "[mosaic] ERROR: Unsupported yolo runtime '$runtime'. Use claude|codex|opencode." >&2
exit 1
;;
esac
}
# Delegate to existing scripts
run_init() {
# Prefer wizard if Node.js and bundle are available
local wizard_bin="$MOSAIC_HOME/dist/mosaic-wizard.mjs"
if command -v node >/dev/null 2>&1 && [[ -f "$wizard_bin" ]]; then
exec node "$wizard_bin" "$@"
fi
# Fallback to legacy bash wizard
check_mosaic_home
exec "$MOSAIC_HOME/bin/mosaic-init" "$@"
}
run_doctor() {
check_mosaic_home
exec "$MOSAIC_HOME/bin/mosaic-doctor" "$@"
}
run_sync() {
check_mosaic_home
exec "$MOSAIC_HOME/bin/mosaic-sync-skills" "$@"
}
run_seq() {
check_mosaic_home
local checker="$MOSAIC_HOME/bin/mosaic-ensure-sequential-thinking"
local action="${1:-check}"
case "$action" in
check)
shift || true
exec "$checker" --check "$@"
;;
fix|apply)
shift || true
exec "$checker" "$@"
;;
start)
shift || true
check_runtime "npx"
echo "[mosaic] Starting sequential-thinking MCP server..."
exec npx -y @modelcontextprotocol/server-sequential-thinking "$@"
;;
*)
echo "[mosaic] ERROR: Unknown seq subcommand '$action'." >&2
echo "[mosaic] Use: mosaic seq check|fix|start" >&2
exit 1
;;
esac
}
run_coord() {
check_mosaic_home
local subcmd="${1:-help}"
shift || true
local tool_dir="$MOSAIC_HOME/tools/orchestrator"
case "$subcmd" in
status|session)
exec bash "$tool_dir/session-status.sh" "$@"
;;
init)
exec bash "$tool_dir/mission-init.sh" "$@"
;;
mission|progress)
exec bash "$tool_dir/mission-status.sh" "$@"
;;
continue|next)
exec bash "$tool_dir/continue-prompt.sh" "$@"
;;
resume|recover)
exec bash "$tool_dir/session-resume.sh" "$@"
;;
help|*)
cat <<COORD_USAGE
mosaic coord — r0 manual coordinator tools
Commands:
init --name <name> [opts] Initialize a new mission
mission [--project <path>] Show mission progress dashboard
status [--project <path>] Check agent session health
continue [--project <path>] Generate continuation prompt for next session
resume [--project <path>] Crash recovery (detect dirty state, generate fix)
Examples:
mosaic coord init --name "Security Fix" --milestones "Critical,High,Medium"
mosaic coord mission
mosaic coord continue --copy
COORD_USAGE
;;
esac
}
# Resume advisory — prints warning if active mission or stale session detected
_check_resumable_session() {
local mission_file=".mosaic/orchestrator/mission.json"
local lock_file=".mosaic/orchestrator/session.lock"
command -v jq &>/dev/null || return 0
if [[ -f "$lock_file" ]]; then
local pid
pid="$(jq -r '.pid // 0' "$lock_file" 2>/dev/null)"
if [[ -n "$pid" ]] && [[ "$pid" != "0" ]] && ! kill -0 "$pid" 2>/dev/null; then
echo "[mosaic] Previous orchestration session detected (crashed)."
echo "[mosaic] Run: mosaic coord resume"
echo ""
fi
elif [[ -f "$mission_file" ]]; then
local status
status="$(jq -r '.status // "inactive"' "$mission_file" 2>/dev/null)"
if [[ "$status" == "active" ]]; then
echo "[mosaic] Active mission detected. Generate continuation prompt with:"
echo "[mosaic] mosaic coord continue"
echo ""
fi
fi
}
run_bootstrap() {
check_mosaic_home
exec "$MOSAIC_HOME/bin/mosaic-bootstrap-repo" "$@"
}
run_release_upgrade() {
check_mosaic_home
exec "$MOSAIC_HOME/bin/mosaic-release-upgrade" "$@"
}
run_project_upgrade() {
check_mosaic_home
exec "$MOSAIC_HOME/bin/mosaic-upgrade" "$@"
}
run_upgrade() {
check_mosaic_home
# Default: upgrade installed release
if [[ $# -eq 0 ]]; then
run_release_upgrade
fi
case "$1" in
release)
shift
run_release_upgrade "$@"
;;
check)
shift
run_release_upgrade --dry-run "$@"
;;
project)
shift
run_project_upgrade "$@"
;;
# Backward compatibility for historical project-upgrade usage.
--all|--root)
run_project_upgrade "$@"
;;
--dry-run|--ref|--keep|--overwrite|-y|--yes)
run_release_upgrade "$@"
;;
-*)
run_release_upgrade "$@"
;;
*)
run_project_upgrade "$@"
;;
esac
}
# Main router
if [[ $# -eq 0 ]]; then
usage
exit 0
fi
command="$1"
shift
case "$command" in
claude) launch_claude "$@" ;;
opencode) launch_opencode "$@" ;;
codex) launch_codex "$@" ;;
yolo|--yolo) launch_yolo "$@" ;;
init) run_init "$@" ;;
doctor) run_doctor "$@" ;;
sync) run_sync "$@" ;;
seq) run_seq "$@" ;;
bootstrap) run_bootstrap "$@" ;;
coord) run_coord "$@" ;;
upgrade) run_upgrade "$@" ;;
release-upgrade) run_release_upgrade "$@" ;;
project-upgrade) run_project_upgrade "$@" ;;
help|-h|--help) usage ;;
version|-v|--version) echo "mosaic $VERSION" ;;
*)
echo "[mosaic] Unknown command: $command" >&2
echo "[mosaic] Run 'mosaic --help' for usage." >&2
exit 1
;;
esac