Add Phase 3 migration: project documentation

- migrate-project-docs-batch.mjs: 60 files across 23 projects
- migrate-cf-docs-batch.mjs: ClaudeFramework documentation
- migrate-plans-batch.mjs: Session plan files
- 017_fix_archives_embedding_dimension.sql: Fix vector dimension
- run-migration.js: Node.js migration runner utility

Total migrated: 332 files, 8.85MB with semantic embeddings

Fixes: CF-277

run-migration.js

@@ -0,0 +1,51 @@
+#!/usr/bin/env node
+/**
+ * Run a specific migration file
+ * Usage: node run-migration.js migrations/017_fix_archives_embedding_dimension.sql
+ */
+
+import pg from 'pg';
+import { readFileSync } from 'fs';
+import { resolve } from 'path';
+
+const { Pool } = pg;
+
+// Configuration - Direct WireGuard connection to INFRA VM PostgreSQL
+const config = {
+  host: process.env.POSTGRES_HOST || 'infra.agiliton.internal',
+  port: 5432,
+  database: 'agiliton',
+  user: 'agiliton',
+  password: 'QtqiwCOAUpQNF6pjzOMAREzUny2bY8V1',
+};
+
+async function runMigration(migrationFile) {
+  const pool = new Pool(config);
+
+  try {
+    // Read migration SQL
+    const sql = readFileSync(resolve(migrationFile), 'utf-8');
+
+    console.log(`Running migration: ${migrationFile}`);
+    console.log('SQL:', sql);
+
+    // Execute migration
+    await pool.query(sql);
+
+    console.log('Migration completed successfully!');
+  } catch (error) {
+    console.error('Migration failed:', error);
+    process.exit(1);
+  } finally {
+    await pool.end();
+  }
+}
+
+// Get migration file from command line
+const migrationFile = process.argv[2];
+if (!migrationFile) {
+  console.error('Usage: node run-migration.js <migration-file.sql>');
+  process.exit(1);
+}
+
+runMigration(migrationFile);