diff --git a/commands/gsd/discuss-phase.md b/commands/gsd/discuss-phase.md
index 69334f4af..431899949 100644
--- a/commands/gsd/discuss-phase.md
+++ b/commands/gsd/discuss-phase.md
@@ -1,6 +1,6 @@
 ---
 name: gsd:discuss-phase
-description: Gather phase context through adaptive questioning before planning
+description: Gather phase context through adaptive questioning before planning. Use --auto to skip interactive questions (Claude picks recommended defaults).
 argument-hint: "<phase> [--auto]"
 allowed-tools:
   - Read
diff --git a/get-shit-done/workflows/discuss-phase.md b/get-shit-done/workflows/discuss-phase.md
index 35a4513c2..1ae859cb9 100644
--- a/get-shit-done/workflows/discuss-phase.md
+++ b/get-shit-done/workflows/discuss-phase.md
@@ -135,6 +135,13 @@ Use /gsd:progress to see available phases.
 Exit workflow.
 
 **If `phase_found` is true:** Continue to check_existing.
+
+**Auto mode** — If `--auto` is present in ARGUMENTS:
+- In `check_existing`: auto-select "Skip" (if context exists) or continue without prompting (if no context/plans)
+- In `present_gray_areas`: auto-select ALL gray areas without asking the user
+- In `discuss_areas`: for each discussion question, choose the recommended option (first option, or the one marked "recommended") without using AskUserQuestion
+- Log each auto-selected choice inline so the user can review decisions in the context file
+- After discussion completes, auto-advance to plan-phase (existing behavior)
 </step>
 
 <step name="check_existing">
@@ -145,7 +152,10 @@ ls ${phase_dir}/*-CONTEXT.md 2>/dev/null
 ```
 
 **If exists:**
-Use AskUserQuestion:
+
+**If `--auto`:** Auto-select "Update it" — load existing context and continue to analyze_phase. Log: `[auto] Context exists — updating with auto-selected decisions.`
+
+**Otherwise:** Use AskUserQuestion:
 - header: "Context"
 - question: "Phase [X] already has context. What do you want to do?"
 - options:
@@ -161,7 +171,9 @@ If "Skip": Exit workflow
 
 Check `has_plans` and `plan_count` from init. **If `has_plans` is true:**
 
-Use AskUserQuestion:
+**If `--auto`:** Auto-select "Continue and replan after". Log: `[auto] Plans exist — continuing with context capture, will replan after.`
+
+**Otherwise:** Use AskUserQuestion:
 - header: "Plans exist"
 - question: "Phase [X] already has {plan_count} plan(s) created without user context. Your decisions here won't affect existing plans unless you replan."
 - options:
@@ -330,7 +342,9 @@ We'll clarify HOW to implement this.
 - [Decision from Phase M that applies here]
 ```
 
-**Then use AskUserQuestion (multiSelect: true):**
+**If `--auto`:** Auto-select ALL gray areas. Log: `[auto] Selected all gray areas: [list area names].` Skip the AskUserQuestion below and continue directly to discuss_areas with all areas selected.
+
+**Otherwise, use AskUserQuestion (multiSelect: true):**
 - header: "Discuss"
 - question: "Which areas do you want to discuss for [phase name]?"
 - options: Generate 3-4 phase-specific gray areas, each with:
@@ -402,6 +416,14 @@ For each selected area, conduct a focused discussion loop.
 
 Each answer (or answer set, in batch mode) should reveal the next question or next batch.
 
+**Auto mode (`--auto`):** For each area, Claude selects the recommended option (first option, or the one explicitly marked "recommended") for every question without using AskUserQuestion. Log each auto-selected choice:
+```
+[auto] [Area] — Q: "[question text]" → Selected: "[chosen option]" (recommended default)
+```
+After all areas are auto-resolved, skip the "Explore more gray areas" prompt and proceed directly to write_context.
+
+**Interactive mode (no `--auto`):**
+
 **For each area:**
 
 1. **Announce the area:**