Emdash source with visual editor image upload fix

Fixes:
1. media.ts: wrap placeholder generation in try-catch
2. toolbar.ts: check r.ok, display error message in popover

packages/marketplace/src/db/schema.sql

@@ -0,0 +1,106 @@
+CREATE TABLE IF NOT EXISTS authors (
+  id TEXT PRIMARY KEY,
+  github_id TEXT UNIQUE,
+  name TEXT NOT NULL,
+  email TEXT,
+  avatar_url TEXT,
+  verified INTEGER DEFAULT 0,
+  created_at TEXT NOT NULL DEFAULT (datetime('now'))
+);
+
+CREATE TABLE IF NOT EXISTS plugins (
+  id TEXT PRIMARY KEY,
+  name TEXT NOT NULL,
+  description TEXT,
+  author_id TEXT NOT NULL REFERENCES authors(id),
+  repository_url TEXT,
+  homepage_url TEXT,
+  license TEXT,
+  capabilities TEXT NOT NULL,
+  keywords TEXT,
+  has_icon INTEGER DEFAULT 0,
+  install_count INTEGER NOT NULL DEFAULT 0,
+  created_at TEXT NOT NULL DEFAULT (datetime('now')),
+  updated_at TEXT NOT NULL DEFAULT (datetime('now'))
+);
+CREATE INDEX IF NOT EXISTS idx_plugins_author ON plugins(author_id);
+
+CREATE TABLE IF NOT EXISTS plugin_versions (
+  id TEXT PRIMARY KEY,
+  plugin_id TEXT NOT NULL REFERENCES plugins(id),
+  version TEXT NOT NULL,
+  min_emdash_version TEXT,
+  bundle_key TEXT NOT NULL,
+  bundle_size INTEGER NOT NULL,
+  checksum TEXT NOT NULL,
+  changelog TEXT,
+  readme TEXT,
+  has_icon INTEGER DEFAULT 0,
+  screenshot_count INTEGER DEFAULT 0,
+  capabilities TEXT NOT NULL,
+  status TEXT NOT NULL DEFAULT 'pending',
+  workflow_id TEXT,
+  audit_id TEXT,
+  audit_verdict TEXT,
+  image_audit_id TEXT,
+  image_audit_verdict TEXT,
+  published_at TEXT NOT NULL DEFAULT (datetime('now')),
+  UNIQUE(plugin_id, version)
+);
+CREATE INDEX IF NOT EXISTS idx_plugin_versions_plugin ON plugin_versions(plugin_id);
+CREATE INDEX IF NOT EXISTS idx_plugin_versions_plugin_status ON plugin_versions(plugin_id, status);
+
+CREATE TABLE IF NOT EXISTS plugin_audits (
+  id TEXT PRIMARY KEY,
+  plugin_id TEXT NOT NULL,
+  version TEXT NOT NULL,
+  verdict TEXT NOT NULL,
+  risk_score INTEGER NOT NULL,
+  summary TEXT NOT NULL,
+  findings TEXT NOT NULL,
+  model TEXT NOT NULL,
+  duration_ms INTEGER NOT NULL,
+  created_at TEXT NOT NULL DEFAULT (datetime('now')),
+  FOREIGN KEY (plugin_id) REFERENCES plugins(id)
+);
+CREATE INDEX IF NOT EXISTS idx_plugin_audits_plugin_version ON plugin_audits(plugin_id, version);
+
+CREATE TABLE IF NOT EXISTS plugin_image_audits (
+  id TEXT PRIMARY KEY,
+  plugin_id TEXT NOT NULL,
+  version TEXT NOT NULL,
+  verdict TEXT NOT NULL,
+  findings TEXT NOT NULL,
+  model TEXT NOT NULL,
+  duration_ms INTEGER NOT NULL,
+  created_at TEXT NOT NULL DEFAULT (datetime('now')),
+  FOREIGN KEY (plugin_id) REFERENCES plugins(id)
+);
+CREATE INDEX IF NOT EXISTS idx_plugin_image_audits_pv ON plugin_image_audits(plugin_id, version);
+
+CREATE TABLE IF NOT EXISTS installs (
+  plugin_id TEXT NOT NULL REFERENCES plugins(id),
+  site_hash TEXT NOT NULL,
+  version TEXT NOT NULL,
+  installed_at TEXT NOT NULL DEFAULT (datetime('now')),
+  PRIMARY KEY (plugin_id, site_hash)
+);
+CREATE INDEX IF NOT EXISTS idx_installs_plugin ON installs(plugin_id);
+
+CREATE TABLE IF NOT EXISTS themes (
+  id TEXT PRIMARY KEY,
+  name TEXT NOT NULL,
+  description TEXT,
+  author_id TEXT NOT NULL REFERENCES authors(id),
+  preview_url TEXT NOT NULL,
+  demo_url TEXT,
+  repository_url TEXT,
+  homepage_url TEXT,
+  license TEXT,
+  keywords TEXT,
+  has_thumbnail INTEGER DEFAULT 0,
+  screenshot_count INTEGER DEFAULT 0,
+  created_at TEXT NOT NULL DEFAULT (datetime('now')),
+  updated_at TEXT NOT NULL DEFAULT (datetime('now'))
+);
+CREATE INDEX IF NOT EXISTS idx_themes_author ON themes(author_id);