diff --git a/src/resources/extensions/sf/auto-prompts.ts b/src/resources/extensions/sf/auto-prompts.ts
index 16dc2f1c8..1f991991a 100644
--- a/src/resources/extensions/sf/auto-prompts.ts
+++ b/src/resources/extensions/sf/auto-prompts.ts
@@ -1559,6 +1559,97 @@ export async function checkNeedsRunUat(
 
 // ─── Prompt Builders ──────────────────────────────────────────────────────
 
+/**
+ * Build a prompt for the workflow-preferences unit type (deep mode).
+ * Captures workflow + planning preferences during deep-mode bootstrap,
+ * before discuss-project runs.
+ */
+export async function buildWorkflowPreferencesPrompt(
+	base: string,
+	structuredQuestionsAvailable = "false",
+): Promise<string> {
+	return loadPrompt("guided-workflow-preferences", {
+		workingDirectory: base,
+		structuredQuestionsAvailable,
+	});
+}
+
+/**
+ * Build a prompt for the discuss-project unit type (deep mode).
+ * Project-level interview: produces .sf/PROJECT.md.
+ * Fires before any milestone-level work when planning_depth === "deep"
+ * and PROJECT.md is missing.
+ */
+export async function buildDiscussProjectPrompt(
+	base: string,
+	structuredQuestionsAvailable = "false",
+): Promise<string> {
+	const inlinedTemplates = inlineTemplate("project", "Project");
+
+	return loadPrompt("guided-discuss-project", {
+		workingDirectory: base,
+		inlinedTemplates,
+		structuredQuestionsAvailable,
+		commitInstruction:
+			"Do not commit planning artifacts — .sf/ is managed externally.",
+	});
+}
+
+/**
+ * Build a prompt for the discuss-requirements unit type (deep mode).
+ * Requirements-level interview: produces .sf/REQUIREMENTS.md using the
+ * structured R### format. Reads PROJECT.md as authoritative context.
+ * Fires when planning_depth === "deep", PROJECT.md exists, and
+ * REQUIREMENTS.md is missing.
+ */
+export async function buildDiscussRequirementsPrompt(
+	base: string,
+	structuredQuestionsAvailable = "false",
+): Promise<string> {
+	const inlinedTemplates = inlineTemplate("requirements", "Requirements");
+
+	return loadPrompt("guided-discuss-requirements", {
+		workingDirectory: base,
+		inlinedTemplates,
+		structuredQuestionsAvailable,
+		commitInstruction:
+			"Do not commit planning artifacts — .sf/ is managed externally.",
+	});
+}
+
+/**
+ * Build a prompt for the research-decision unit type (deep mode).
+ * Fixed-question stage: asks "research first or skip?" via
+ * ask_user_questions and writes .sf/runtime/research-decision.json.
+ * Fires after discuss-requirements and before research-project-parallel.
+ */
+export async function buildResearchDecisionPrompt(
+	base: string,
+	structuredQuestionsAvailable = "false",
+): Promise<string> {
+	return loadPrompt("guided-research-decision", {
+		workingDirectory: base,
+		structuredQuestionsAvailable,
+	});
+}
+
+/**
+ * Build a prompt for the research-project-parallel unit type (deep mode).
+ * Orchestrator that spawns parallel subagents covering stack, features,
+ * architecture, and pitfalls. Each subagent writes its findings to
+ * .sf/research/. Fires after research-decision marker says "research" and
+ * project research files are missing. Skipped entirely if user picked "skip".
+ */
+export async function buildResearchProjectPrompt(
+	base: string,
+	structuredQuestionsAvailable = "false",
+): Promise<string> {
+	return loadPrompt("guided-research-project", {
+		workingDirectory: base,
+		structuredQuestionsAvailable,
+	});
+}
+
 /**
  * Build a prompt for the discuss-milestone unit type.
  * Loads the guided-discuss-milestone template and inlines the CONTEXT-DRAFT