fix: populate memoriesSection in execute-task prompt and fix stale dist

buildExecuteTaskPrompt was not passing memoriesSection to loadPrompt,
causing headless auto to fail with a template variable error. Also
updated plan-slice-prompt.test.ts to supply the four template variables
(memoriesSection, runtimeContext, phaseAnchorSection, gatesToClose) that
were missing from the test fixture.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/resources/extensions/sf/auto-prompts.ts

@@ -7,6 +7,7 @@
  */
 
 import { loadFile, parseContinue, parseSummary, loadActiveOverrides, formatOverridesSection, parseTaskPlanFile } from "./files.js";
+import { getActiveMemoriesRanked, formatMemoriesForPrompt } from "./memory-store.js";
 import type { Override, UatType } from "./files.js";
 import { hasVerdict, getUatType } from "./verdict-parser.js";
 import { loadPrompt, inlineTemplate } from "./prompt-loader.js";
@@ -1872,7 +1873,18 @@ export async function buildExecuteTaskPrompt(
     { pending: new Set(etPending.map((g) => g.gate_id)), allowOmit: true },
   );
 
+  const memoriesSection = (() => {
+    try {
+      const memories = getActiveMemoriesRanked(10);
+      if (memories.length === 0) return "## Project Memories\n(none yet)";
+      return `## Project Memories\n${formatMemoriesForPrompt(memories)}`;
+    } catch {
+      return "## Project Memories\n(unavailable)";
+    }
+  })();
+
   return loadPrompt("execute-task", {
+    memoriesSection,
     overridesSection,
     runtimeContext,
     phaseAnchorSection,

src/resources/extensions/sf/tests/plan-slice-prompt.test.ts

@@ -111,6 +111,10 @@ test("skillActivation default leaves no unresolved placeholder", () => {
     inlinedTemplates: "Template",
     verificationBudget: "~10K chars",
     overridesSection: "",
+    memoriesSection: "## Project Memories\n(none yet)",
+    runtimeContext: "",
+    phaseAnchorSection: "",
+    gatesToClose: "",
   });
 
   assert.ok(!result.includes("{{skillActivation}}"));
@@ -136,6 +140,10 @@ test("custom skillActivation is substituted into execute-task", () => {
     inlinedTemplates: "Template",
     verificationBudget: "~10K chars",
     overridesSection: "",
+    memoriesSection: "## Project Memories\n(none yet)",
+    runtimeContext: "",
+    phaseAnchorSection: "",
+    gatesToClose: "",
     skillActivation: "Load React and accessibility skills first.",
   });