docs: update README for v1.19.1 — auto-advance flag and config

README.md

@@ -424,8 +424,8 @@ You're never locked in. The system adapts.
 | Command | What it does |
 |---------|--------------|
 | `/gsd:new-project [--auto]` | Full initialization: questions → research → requirements → roadmap |
-| `/gsd:discuss-phase [N]` | Capture implementation decisions before planning |
-| `/gsd:plan-phase [N]` | Research + plan + verify for a phase |
+| `/gsd:discuss-phase [N] [--auto]` | Capture implementation decisions before planning |
+| `/gsd:plan-phase [N] [--auto]` | Research + plan + verify for a phase |
 | `/gsd:execute-phase <N>` | Execute all plans in parallel waves, verify when complete |
 | `/gsd:verify-work [N]` | Manual user acceptance testing ¹ |
 | `/gsd:audit-milestone` | Verify milestone achieved its definition of done |
@@ -516,6 +516,7 @@ These spawn additional agents during planning/execution. They improve quality bu
 | `workflow.research` | `true` | Researches domain before planning each phase |
 | `workflow.plan_check` | `true` | Verifies plans achieve phase goals before execution |
 | `workflow.verifier` | `true` | Confirms must-haves were delivered after execution |
+| `workflow.auto_advance` | `false` | Auto-chain discuss → plan → execute without stopping |
 
 Use `/gsd:settings` to toggle these, or override per-invocation:
 - `/gsd:plan-phase --skip-research`