Add opt-in Decision mode for crossword automation

ts/config.defaults.yaml

@@ -41,3 +41,11 @@ azureOpenAI:
 reasoning:
   timeoutMs: 1200000
   copilotModel: gpt-6-sol
+
+decision:
+  provider: inherit
+  azure:
+    deploymentKey: decision_1
+    deploymentName: decision-1
+  copilot:
+    model: gpt-6-luna-decisions

ts/config.sample.yaml

@@ -21,6 +21,16 @@
 # It is NOT a sandbox. Missing or rejected authorization prevents execution.
 # Remembered approvals last only for the current session and exact invocation.
 
+# Native decision provider, independent of chat. "inherit" follows the active
+# provider override, then modelProvider, then Azure; OpenAI/Ollama are unsupported.
+decision:
+  provider: inherit
+  azure:
+    deploymentKey: decision_1 # existing azureOpenAI.deployments pool key
+    deploymentName: decision-1 # exact wire model; not inferred from the key
+  copilot:
+    model: gpt-6-luna-decisions
+
 # ╔═══════════════════════════════════════════════════════════════════╗
 # ║  Azure OpenAI                                                    ║
 # ╚═══════════════════════════════════════════════════════════════════╝
@@ -42,6 +52,10 @@ azureOpenAI:
   # Named model deployments.  Each deployment has one or more regional
   # endpoints that form a routing pool.
   deployments:
+    decision_1:
+      endpoints:
+        - endpoint: https://my-resource-eastus.services.ai.azure.com/providers/microsoft/v1/systemone
+          region: eastus
     gpt_6_luna:
       # Per-deployment defaultCapacity overrides the section-level value.
       # defaultCapacity: 200

ts/packages/agents/browser/package.json

@@ -37,7 +37,8 @@
     "prettier:fix": "prettier --write . --ignore-path ../../../.prettierignore",
     "setup:aisearch": "node dist/agent/lookup/aiSearchSetup.mjs",
     "test": "npm run test:local",
-    "test:local": "jest && npm run test:views:gateway && npm run test:views:client",
+    "test:crossword": "node --test test/crosswordDecisionHandler.spec.mjs test/crosswordDecisionIntegrated.spec.mjs test/crosswordHybrid2.spec.mjs",
+    "test:local": "jest && npm run test:crossword && npm run test:views:gateway && npm run test:views:client",
     "test:pdf": "node --test test/pdf*.spec.mjs test/pdfExtraction/*.spec.mjs test/memoryImportHandlers.spec.mjs test/agentConnectionBoundary.spec.mjs",
     "test:views:client": "jest --runInBand --testMatch \"**/views/client/**/*.test.ts\"",
     "test:views:gateway": "node --test test/viewGateway.test.mjs test/viewDraftGateway.test.mjs test/viewLifecycle.test.mjs test/memoryHub.test.mjs test/memoryHubQuery.test.mjs test/memoryHubSourceDependencies.test.mjs test/memoryHubCapture.test.mjs test/browserCaptureRpc.test.mjs test/memoryHubRunbookImports.test.mjs test/memoryHubWebAnalytics.test.mjs",
@@ -93,6 +94,7 @@
     "dompurify": "^3.4.17",
     "express": "^4.22.0",
     "express-rate-limit": "^7.5.0",
+    "gpt-tokenizer": "^2.9.0",
     "graphology": "^0.25.4",
     "graphology-communities-louvain": "^2.0.1",
     "graphology-layout": "^0.6.1",

ts/packages/agents/browser/src/agent/browserActionHandler.mts

@@ -46,6 +46,7 @@ import {
 } from "./readiness.mjs";
 import { extractPageComponent } from "./componentExtractor.mjs";
 import { extractCrosswordSchema } from "./crosswordSchemaExtractor.mjs";
+import { crosswordDecisionHandler } from "./crosswordDecisionHandler.mjs";
 import { createTabTitleIndex } from "./tabTitleIndex.mjs";
 import { ChildProcess, fork } from "child_process";
 import {
@@ -746,6 +747,7 @@ async function updateBrowserContext(
                 void context.notifyReadinessChanged();
             },
             onClientDisconnected: (client: BrowserClient) => {
+                crosswordDecisionHandler.disconnect(client.id);
                 if (client.type === "extension") {
                     debug(`Extension client disconnected: ${client.id}`);
                 }
@@ -768,6 +770,36 @@ async function updateBrowserContext(
                     isBuiltInWebAgentRpcRequest(data.params)
                 ) {
                     const { id, method, params } = data.params;
+                    if (method === "cancelCrosswordDecision") {
+                        crosswordDecisionHandler.cancel(client.id, params);
+                        return;
+                    }
+                    if (
+                        method === "getCrosswordDecisionCapabilities" ||
+                        method === "resolveCrosswordClue"
+                    ) {
+                        if (!id || id.length > 256) return;
+                        const result =
+                            method === "getCrosswordDecisionCapabilities"
+                                ? crosswordDecisionHandler.capabilities()
+                                : await crosswordDecisionHandler.resolve(
+                                      client.id,
+                                      id,
+                                      params,
+                                  );
+                        if (client.socket.readyState === 1) {
+                            client.socket.send(
+                                JSON.stringify({
+                                    source: "dispatcher",
+                                    method: "crosswordDecision/response",
+                                    type: "builtInRpcResponse",
+                                    id,
+                                    result,
+                                }),
+                            );
+                        }
+                        return;
+                    }
                     const result = await handleWebAgentRpc(
                         method,
                         params,