Add Activepieces integration for workflow automation

- Add Activepieces fork with SmoothSchedule custom piece
- Create integrations app with Activepieces service layer
- Add embed token endpoint for iframe integration
- Create Automations page with embedded workflow builder
- Add sidebar visibility fix for embed mode
- Add list inactive customers endpoint to Public API
- Include SmoothSchedule triggers: event created/updated/cancelled
- Include SmoothSchedule actions: create/update/cancel events, list resources/services/customers

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

activepieces-fork/packages/pieces/community/postgres/src/lib/common.ts

@@ -0,0 +1,36 @@
+import { AppConnectionValueForAuthProperty,  } from "@activepieces/pieces-framework";
+import { postgresAuth } from "..";
+import { Client } from "pg";
+
+export const pgClient = async (auth: AppConnectionValueForAuthProperty<typeof postgresAuth>, query_timeout = 30000, application_name: string | undefined = undefined , connectionTimeoutMillis = 30000) => {
+    const {
+        host,
+        user,
+        database,
+        password,
+        port,
+        enable_ssl,
+        reject_unauthorized: rejectUnauthorized,
+        certificate,
+    } = auth.props;
+
+    const sslConf = {
+        rejectUnauthorized: rejectUnauthorized,
+        ca: certificate && certificate.length > 0 ? certificate : undefined,
+    };
+    const client = new Client({
+        host,
+        port: Number(port),
+        user,
+        password,
+        database,
+        ssl: enable_ssl ? sslConf : undefined,
+        query_timeout: Number(query_timeout),
+        statement_timeout: Number(query_timeout),
+        application_name,
+        connectionTimeoutMillis: Number(connectionTimeoutMillis),
+    });
+    await client.connect();
+
+    return client;
+}