feat: integrate framework files into monorepo under packages/mosaic/framework/

Moves all Mosaic framework runtime files from the separate bootstrap repo
into the monorepo as canonical source. The @mosaic/mosaic npm package now
ships the complete framework — bin scripts, runtime configs, tools, and
templates — enabling standalone installation via npm install.

Structure:
  packages/mosaic/framework/
  ├── bin/          28 CLI scripts (mosaic, mosaic-doctor, mosaic-sync-skills, etc.)
  ├── runtime/      Runtime adapters (claude, codex, opencode, pi, mcp)
  ├── tools/        Shell tooling (git, prdy, orchestrator, quality, etc.)
  ├── templates/    Agent and repo templates
  ├── defaults/     Default identity files (AGENTS.md, STANDARDS.md, SOUL.md, etc.)
  ├── install.sh    Legacy bash installer
  └── remote-install.sh  One-liner remote installer

Key files with Pi support and recent fixes:
- bin/mosaic: launch_pi() with skills-local loop
- bin/mosaic-doctor: --fix auto-wiring for all 4 harnesses
- bin/mosaic-sync-skills: Pi as 4th link target, symlink-aware find
- bin/mosaic-link-runtime-assets: Pi settings.json patching
- bin/mosaic-migrate-local-skills: Pi skill roots, symlink find
- runtime/pi/RUNTIME.md + mosaic-extension.ts

Package ships 251 framework files in the npm tarball (278KB compressed).

packages/mosaic/framework/tools/qa/remediation-hook-handler.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+# Universal remediation hook handler with error recovery
+# Location: ~/.config/mosaic/tools/qa/remediation-hook-handler.sh
+
+set -euo pipefail
+
+PROJECT_ROOT=$(git rev-parse --show-toplevel 2>/dev/null || pwd)
+REPORT_FILE="${1:-}"
+
+# Validate input
+if [ -z "$REPORT_FILE" ] || [ ! -f "$REPORT_FILE" ]; then
+    echo "[ERROR] Invalid or missing report file: $REPORT_FILE" >&2
+    exit 1
+fi
+
+LOG_FILE="$PROJECT_ROOT/logs/qa-automation.log"
+mkdir -p "$(dirname "$LOG_FILE")"
+
+echo "[$(date '+%Y-%m-%d %H:%M:%S')] Remediation triggered for: $REPORT_FILE" | tee -a "$LOG_FILE"
+
+# Extract components from path and filename
+BASE_NAME=$(basename "$REPORT_FILE" _remediation_needed.md)
+DIR_PATH=$(dirname "$REPORT_FILE")
+
+# Validate directory structure
+if [[ ! "$DIR_PATH" =~ /pending$ ]]; then
+    echo "[ERROR] Report not in pending directory: $DIR_PATH" | tee -a "$LOG_FILE"
+    exit 1
+fi
+
+# Setup in-progress directory
+IN_PROGRESS_DIR="${DIR_PATH/pending/in-progress}"
+
+# Handle missing in-progress directory
+if [ ! -d "$IN_PROGRESS_DIR" ]; then
+    echo "[WARN] Creating missing in-progress directory: $IN_PROGRESS_DIR" | tee -a "$LOG_FILE"
+    mkdir -p "$IN_PROGRESS_DIR"
+    
+    # Also ensure done and escalated exist
+    mkdir -p "${DIR_PATH/pending/done}"
+    mkdir -p "${DIR_PATH/pending/escalated}"
+fi
+
+# Move from pending to in-progress (with error handling)
+if ! mv "$REPORT_FILE" "$IN_PROGRESS_DIR/" 2>/dev/null; then
+    echo "[ERROR] Failed to move report to in-progress" | tee -a "$LOG_FILE"
+    # Check if already in progress
+    if [ -f "$IN_PROGRESS_DIR/$(basename "$REPORT_FILE")" ]; then
+        echo "[WARN] Report already in progress, skipping" | tee -a "$LOG_FILE"
+        exit 0
+    fi
+    exit 1
+fi
+
+# Create actions file
+ACTIONS_FILE="${BASE_NAME}_remediation_actions.md"
+ACTIONS_PATH="$IN_PROGRESS_DIR/$ACTIONS_FILE"
+
+echo "[$(date '+%Y-%m-%d %H:%M:%S')] Starting remediation: $ACTIONS_PATH" | tee -a "$LOG_FILE"
+
+# Trigger remediation agent
+claude -p "Use Task tool to launch auto-remediation-agent for:
+- Remediation Report: $IN_PROGRESS_DIR/$(basename "$REPORT_FILE")
+- Actions File: $ACTIONS_PATH
+- Max Iterations: 5
+Process the report, create action plan using Sequential Thinking, research with Context7, and execute fixes systematically." 2>&1 | tee -a "$LOG_FILE"