feat: first cut at the full renderer

src/main/database/generatedFileHashStore.ts

@@ -0,0 +1,36 @@
+import { getDatabase } from './connection';
+
+export async function getGeneratedFileHash(projectId: string, relativePath: string): Promise<string | null> {
+  const client = getDatabase().getLocalClient();
+  if (!client) {
+    throw new Error('Database client not available');
+  }
+
+  const result = await client.execute({
+    sql: 'SELECT content_hash FROM generated_file_hashes WHERE project_id = ? AND relative_path = ? LIMIT 1',
+    args: [projectId, relativePath],
+  });
+
+  if (!result.rows[0] || typeof result.rows[0].content_hash !== 'string') {
+    return null;
+  }
+
+  return result.rows[0].content_hash;
+}
+
+export async function setGeneratedFileHash(projectId: string, relativePath: string, hash: string): Promise<void> {
+  const client = getDatabase().getLocalClient();
+  if (!client) {
+    throw new Error('Database client not available');
+  }
+
+  await client.execute({
+    sql: `
+      INSERT INTO generated_file_hashes (project_id, relative_path, content_hash, updated_at)
+      VALUES (?, ?, ?, ?)
+      ON CONFLICT(project_id, relative_path)
+      DO UPDATE SET content_hash = excluded.content_hash, updated_at = excluded.updated_at
+    `,
+    args: [projectId, relativePath, hash, Date.now()],
+  });
+}

src/main/database/index.ts

@@ -1,2 +1,3 @@
 export * from './schema';
 export * from './connection';
+export * from './generatedFileHashStore';

src/main/database/schema.ts

@@ -73,6 +73,16 @@ export const settings = sqliteTable('settings', {
   updatedAt: integer('updated_at', { mode: 'timestamp' }).notNull(),
 });
 
+// Generated file hashes - tracks html/xml output content hashes to skip unchanged writes
+export const generatedFileHashes = sqliteTable('generated_file_hashes', {
+  projectId: text('project_id').notNull(),
+  relativePath: text('relative_path').notNull(),
+  contentHash: text('content_hash').notNull(),
+  updatedAt: integer('updated_at', { mode: 'timestamp' }).notNull(),
+}, (table) => ({
+  projectPathIdx: uniqueIndex('generated_file_hashes_project_path_idx').on(table.projectId, table.relativePath),
+}));
+
 // Post links - tracks internal links between posts
 export const postLinks = sqliteTable('post_links', {
   id: text('id').primaryKey(),
@@ -150,6 +160,8 @@ export type Media = typeof media.$inferSelect;
 export type NewMedia = typeof media.$inferInsert;
 export type Setting = typeof settings.$inferSelect;
 export type NewSetting = typeof settings.$inferInsert;
+export type GeneratedFileHash = typeof generatedFileHashes.$inferSelect;
+export type NewGeneratedFileHash = typeof generatedFileHashes.$inferInsert;
 export type PostLink = typeof postLinks.$inferSelect;
 export type NewPostLink = typeof postLinks.$inferInsert;
 export type PostMediaLink = typeof postMedia.$inferSelect;