Revert "merge: integrate extension auto-update"

This reverts commit 322475860a, reversing
changes made to f52d9d7413.

control-plane/test/control-plane.test.ts

@@ -317,7 +317,7 @@ test('control plane requires the latest durable task-outcome migration before re
   const { readFile } = await import('node:fs/promises');
   const db = await readFile(new URL('../src/db.ts', import.meta.url), 'utf8');
   const server = await readFile(new URL('../src/server.ts', import.meta.url), 'utf8');
-  assert.equal(REQUIRED_SCHEMA_VERSION, '019_extension_host_updates');
+  assert.equal(REQUIRED_SCHEMA_VERSION, '018_agentbus_account_workers');
   assert.match(db, /schema_migrations/);
   assert.match(db, /databaseReadiness/);
   assert.match(db, /assertDatabaseSchema/);
@@ -1365,10 +1365,8 @@ test('operator page has a login gate and uses the durable task API', async () =>
   assert.match(app, /window\.addEventListener\('focus',[\s\S]+refreshBackgroundState\(\)/);
   assert.match(app, /async function autoDispatchReadyTasks\(\{ force = false \} = \{\}\)/);
   assert.match(app, /if \(!force && retryAt > Date\.now\(\)\) continue/);
-  assert.match(app, /extensionUpdateBlocksExecution = extensionUpdateIsBlocking\(extensionUpdate\)/);
-  assert.match(app, /function extensionUpdateIsBlocking\(update = \{\}\) \{[\s\S]+!\['current', 'disabled', 'no_release'\]\.includes/);
-  assert.match(app, /if \(!authUser \|\| autoHandoffInProgress \|\| extensionUpdateBlocksExecution\) return/);
-  assert.match(app, /autoDispatchReadyTasks\(\{ force: true \}\)/);
+  assert.match(app, /const bridgeReadyForDispatch = !wasBridgeConnected/);
+  assert.match(app, /autoDispatchReadyTasks\(\{ force: bridgeReadyForDispatch \}\)/);
   const autoDispatchSource = app.slice(
     app.indexOf('async function autoDispatchReadyTasks'),
     app.indexOf('function taskStateClass')