wip: lint region fixtures and receiver excusal; runtime fake notify declares title

Claude-Session: https://claude.ai/code/session_01QcAS3qiYYZNezaxZxaUdMV
Co-Authored-By: Claude <noreply@anthropic.com>

Author: claude

packages/lint/src/validate-expressions.test.ts

@@ -2292,7 +2292,7 @@ describe('validateStackExpressions (ADR-0032 build-time)', () => {
       const badRegion = () => ({
         nodes: [
           { id: 'gate', type: 'decision', config: { condition: '{record.rating} >= 4' } },
-          { id: 'act', type: 'update_record' },
+          { id: 'act', type: 'update_record', config: { objectName: 'crm_lead' } },
         ],
         edges: [{ id: 'b1', source: 'gate', target: 'act', condition: '{record.status} == "open"' }],
       });
@@ -2342,7 +2342,7 @@ describe('validateStackExpressions (ADR-0032 build-time)', () => {
             body: {
               nodes: [
                 { id: 'gate', type: 'decision', config: { condition: 'record.rating >= 4' } },
-                { id: 'act', type: 'update_record' },
+                { id: 'act', type: 'update_record', config: { objectName: 'crm_lead' } },
               ],
               edges: [{ id: 'b1', source: 'gate', target: 'act', condition: 'record.status == "open"' }],
             },
@@ -3011,6 +3011,11 @@ describe('validateStackExpressions — reads only keys the spec declares (meta-t
       // are `success` / `error`, SafeParseResult's own, so that excuse covers
       // both locals for one reason and masks no metadata read either.
       'blankRefusal',
+      // [#20316] The spec's node-config judge, one refusal at a time. Its keys
+      // are that helper's own `{ code, params, message, source, path }` —
+      // never metadata keys — and it is named to stay clear of the `message` /
+      // `source` receivers for the reason the two entries above record.
+      'configRefusal',
       // [#14089] NOT a receiver at all — the tail of the `'./flow-variable-scope.js'`
       // import specifier, which this scan cannot tell from `scope.j…`. The two
       // entries above it in this set (`fields`, `guards`) are the same artefact

packages/lint/src/validate-expressions.ts

@@ -1634,12 +1634,12 @@ export function validateStackExpressions(stack: AnyRec): ExprIssue[] {
           // check reads what such a source spells — the `functionName` alias,
           // the retired dispatch keys — and names each, where the judge would
           // only see `function` absent.
-          .filter((r) => !(nodeType === 'script' && r.path === 'function'));
-        for (const refusal of configRefusals) {
+          .filter((configRefusal) => !(nodeType === 'script' && configRefusal.path === 'function'));
+        for (const configRefusal of configRefusals) {
           issues.push({
-            where: `${at} · node '${node.id}' (${nodeType}) config.${refusal.path}`,
-            message: refusal.message,
-            source: refusal.source,
+            where: `${at} · node '${node.id}' (${nodeType}) config.${configRefusal.path}`,
+            message: configRefusal.message,
+            source: configRefusal.source,
             severity: 'error',
           });
         }

packages/runtime/src/domains/automation-put-post-error-parity.test.ts

@@ -45,7 +45,9 @@ import { FlowSchema, validateControlFlow } from '@objectstack/spec/automation';
 import { HttpDispatcher } from '../http-dispatcher.js';
 
 /** Config keys the fake's `notify` descriptor declares (the #4277 legal set). */
-const NOTIFY_DECLARED_CONFIG_KEYS = ['message', 'recipients', 'channel'];
+// `title` joined the set when the flow parse began refusing a notify node with
+// neither `title` nor `template` (#20316) — the real notify descriptor declares it.
+const NOTIFY_DECLARED_CONFIG_KEYS = ['title', 'message', 'recipients', 'channel'];
 
 /**
  * The #4277 refusal, reproduced from `service-automation/src/engine.ts`

packages/runtime/src/domains/automation-register-error-class.test.ts

@@ -74,7 +74,9 @@ import { FlowSchema, validateControlFlow } from '@objectstack/spec/automation';
 import { HttpDispatcher } from '../http-dispatcher.js';
 
 /** Config keys the fake's `notify` descriptor declares (the #4277 legal set). */
-const NOTIFY_DECLARED_CONFIG_KEYS = ['message', 'recipients', 'channel'];
+// `title` joined the set when the flow parse began refusing a notify node with
+// neither `title` nor `template` (#20316) — the real notify descriptor declares it.
+const NOTIFY_DECLARED_CONFIG_KEYS = ['title', 'message', 'recipients', 'channel'];
 
 /**
  * The #4277 refusal, reproduced from `service-automation/src/engine.ts`