skills: single install path — canonical skills ship with the framework
Phase D2 of plan 2026-08-19: single package, single install, single command. The framework installer already treats skills/** as a shipped, manifest-owned framework subtree, so the folded skills now install into $MOSAIC_HOME/skills with the rest of the framework — no second repository, no separate sync step: - mosaic-sync-skills (bash + powershell): the fetch machinery is gone (clone, pull, dirty-state migration, rsync from sources/agent-skills). The script now only links installed skills into runtime homes. --link-only is a compat no-op; --no-link exits having nothing to do. - catalog.ts: the sources/agent-skills fallback is dead and removed. - install.sh, launch.ts, defaults/README.md, README.md, skills/README.md: references to the second repo rewritten to describe the shipped path. Verified: clean install into a fresh MOSAIC_HOME produces 102 skills with no sources/ directory; the linker then links the selected skills into the four runtime homes with no git involvement.
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fargo
@@ -1,9 +1,14 @@
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#!/usr/bin/env bash
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set -euo pipefail
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# Link the INSTALLED canonical skills into runtime skill directories.
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#
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# The canonical skills ship inside the framework package itself
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# (packages/mosaic/framework/skills in the monorepo) and are installed into
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# $MOSAIC_HOME/skills by the framework installer — there is no second
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# repository to clone. This script only maintains the runtime symlinks.
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MOSAIC_HOME="${MOSAIC_HOME:-$HOME/.config/mosaic}"
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SKILLS_REPO_URL="${MOSAIC_SKILLS_REPO_URL:-https://git.mosaicstack.dev/mosaic/agent-skills.git}"
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SKILLS_REPO_DIR="${MOSAIC_SKILLS_REPO_DIR:-$MOSAIC_HOME/sources/agent-skills}"
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MOSAIC_SKILLS_DIR="$MOSAIC_HOME/skills"
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MOSAIC_LOCAL_SKILLS_DIR="$MOSAIC_HOME/skills-local"
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@@ -12,37 +17,34 @@ MOSAIC_LOCAL_SKILLS_DIR="$MOSAIC_HOME/skills-local"
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# (the legacy "mosaic sync" full-catalog behavior).
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MOSAIC_INSTALL_SKILLS="${MOSAIC_INSTALL_SKILLS:-}"
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fetch=1
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link_only=0
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usage() {
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cat <<USAGE
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Usage: $(basename "$0") [options]
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Sync canonical skills into ~/.config/mosaic/skills and link all Mosaic skills into runtime skill directories.
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Link installed skills from ~/.config/mosaic/{skills,skills-local} into runtime
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skill directories. Canonical skills arrive with the framework installer; this
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script never clones or pulls a second repository.
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Options:
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--link-only Skip git clone/pull and only relink from ~/.config/mosaic/{skills,skills-local}
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--no-link Sync canonical skills but do not update runtime links
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--link-only Accepted for compatibility; linking is now the whole job
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--no-link Do nothing (kept for compatibility)
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-h, --help Show help
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Env:
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MOSAIC_HOME Default: ~/.config/mosaic
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MOSAIC_SKILLS_REPO_URL Default: https://git.mosaicstack.dev/mosaic/agent-skills.git
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MOSAIC_SKILLS_REPO_DIR Default: ~/.config/mosaic/sources/agent-skills
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MOSAIC_INSTALL_SKILLS Colon-separated list of skills to link (default: all)
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MOSAIC_HOME Default: ~/.config/mosaic
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MOSAIC_INSTALL_SKILLS Colon-separated list of skills to link (default: all)
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USAGE
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}
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--link-only)
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fetch=0
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# Compat no-op: fetching a skills repo no longer exists.
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shift
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;;
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--no-link)
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link_only=1
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shift
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echo "[mosaic-skills] Nothing to do (--no-link; canonical skills ship with the installer)"
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exit 0
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;;
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-h|--help)
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usage
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@@ -58,101 +60,12 @@ done
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mkdir -p "$MOSAIC_HOME" "$MOSAIC_SKILLS_DIR" "$MOSAIC_LOCAL_SKILLS_DIR"
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if [[ $fetch -eq 1 ]]; then
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if [[ -d "$SKILLS_REPO_DIR/.git" ]]; then
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echo "[mosaic-skills] Updating skills source: $SKILLS_REPO_DIR"
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# ── Detect dirty state ──────────────────────────────────────────────
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dirty=""
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dirty="$(git -C "$SKILLS_REPO_DIR" status --porcelain 2>/dev/null || true)"
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if [[ -n "$dirty" ]]; then
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# ── Auto-migrate customized skills to skills-local/ ─────────────
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# Instead of stash/pop (fragile, merge conflicts), we:
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# 1. Identify which skill dirs contain user edits
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# 2. Copy those full skill dirs into skills-local/ (preserving edits)
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# 3. Reset the repo clean so pull always succeeds
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# 4. skills-local/ takes precedence during linking, so edits win
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SOURCE_SKILLS_SUBDIR="$SKILLS_REPO_DIR/skills"
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migrated=()
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while IFS= read -r line; do
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# porcelain format: XY <path> — extract the file path
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file="${line:3}"
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# Only migrate files under skills/ subdir in the repo
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if [[ "$file" == skills/* ]]; then
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# Extract the skill directory name (first path component after skills/)
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skill_name="${file#skills/}"
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skill_name="${skill_name%%/*}"
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# Skip if already migrated this skill in this run
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local_skill_dir="$MOSAIC_LOCAL_SKILLS_DIR/$skill_name"
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if [[ -d "$local_skill_dir" ]]; then
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continue
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fi
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# Skip if skill_name is empty or hidden
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if [[ -z "$skill_name" || "$skill_name" == .* ]]; then
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continue
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fi
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# Copy the skill (with user's edits) from repo working tree to skills-local/
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if [[ -d "$SOURCE_SKILLS_SUBDIR/$skill_name" ]]; then
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cp -R "$SOURCE_SKILLS_SUBDIR/$skill_name" "$local_skill_dir"
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migrated+=("$skill_name")
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fi
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fi
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done <<< "$dirty"
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if [[ ${#migrated[@]} -gt 0 ]]; then
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echo "[mosaic-skills] Migrated ${#migrated[@]} customized skill(s) to skills-local/:"
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for s in "${migrated[@]}"; do
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echo " → $MOSAIC_LOCAL_SKILLS_DIR/$s"
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done
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echo "[mosaic-skills] Your edits are preserved there and take precedence over canonical."
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fi
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# Reset repo to clean state so pull always works
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echo "[mosaic-skills] Resetting source repo to clean state..."
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git -C "$SKILLS_REPO_DIR" checkout . 2>/dev/null || true
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git -C "$SKILLS_REPO_DIR" clean -fd 2>/dev/null || true
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fi
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if ! git -C "$SKILLS_REPO_DIR" pull --rebase 2>/dev/null; then
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echo "[mosaic-skills] WARN: pull failed — continuing with existing checkout" >&2
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git -C "$SKILLS_REPO_DIR" rebase --abort 2>/dev/null || true
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fi
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else
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echo "[mosaic-skills] Cloning skills source to: $SKILLS_REPO_DIR"
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mkdir -p "$(dirname "$SKILLS_REPO_DIR")"
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git clone "$SKILLS_REPO_URL" "$SKILLS_REPO_DIR"
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fi
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SOURCE_SKILLS_DIR="$SKILLS_REPO_DIR/skills"
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if [[ ! -d "$SOURCE_SKILLS_DIR" ]]; then
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echo "[mosaic-skills] Missing source skills dir: $SOURCE_SKILLS_DIR" >&2
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exit 1
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fi
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if command -v rsync >/dev/null 2>&1; then
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rsync -a --delete "$SOURCE_SKILLS_DIR/" "$MOSAIC_SKILLS_DIR/"
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else
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rm -rf "$MOSAIC_SKILLS_DIR"/*
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cp -R "$SOURCE_SKILLS_DIR"/* "$MOSAIC_SKILLS_DIR"/
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fi
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fi
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if [[ ! -d "$MOSAIC_SKILLS_DIR" ]]; then
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echo "[mosaic-skills] Canonical skills dir missing: $MOSAIC_SKILLS_DIR" >&2
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echo "[mosaic-skills] Canonical skills ship with the framework — reinstall or update the framework package" >&2
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exit 1
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fi
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if [[ $link_only -eq 1 ]]; then
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echo "[mosaic-skills] Canonical sync completed (link update skipped)"
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exit 0
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fi
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# Skills are linked into the MOSAIC-OWNED harness homes, never a base install.
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# Paths mirror the config-dir env vars the launcher injects (HARNESS_HOME_ENV in
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# commands/launch.js):
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