diff --git a/src/resources/extensions/sf/sf-db.ts b/src/resources/extensions/sf/sf-db.ts
index 1c7fe8a9a..f5ee72d2b 100644
--- a/src/resources/extensions/sf/sf-db.ts
+++ b/src/resources/extensions/sf/sf-db.ts
@@ -332,6 +332,8 @@ function initSchema(db: DbAdapter, fileBacked: boolean): void {
         planning_meeting_json TEXT NOT NULL DEFAULT '',
         sequence INTEGER DEFAULT 0, -- Ordering hint: tools may set this to control execution order
         replan_triggered_at TEXT DEFAULT NULL,
+        is_sketch INTEGER NOT NULL DEFAULT 0, -- ADR-011: 1 = slice is a sketch awaiting refine-slice
+        sketch_scope TEXT NOT NULL DEFAULT '', -- ADR-011: 2-3 sentence scope hint from plan-milestone
         PRIMARY KEY (milestone_id, id),
         FOREIGN KEY (milestone_id) REFERENCES milestones(id)
       )
@@ -1396,6 +1398,31 @@ function migrateSchema(db: DbAdapter): void {
 			});
 		}
 
+		if (currentVersion < 22) {
+			// ADR-011: progressive planning. is_sketch=1 means the slice is a 2-3
+			// sentence sketch awaiting refine-slice expansion; refine fills in the
+			// real plan and clears the flag. sketch_scope holds the milestone
+			// planner's stored scope hint that refine treats as a hard boundary.
+			ensureColumn(
+				db,
+				"slices",
+				"is_sketch",
+				`ALTER TABLE slices ADD COLUMN is_sketch INTEGER NOT NULL DEFAULT 0`,
+			);
+			ensureColumn(
+				db,
+				"slices",
+				"sketch_scope",
+				`ALTER TABLE slices ADD COLUMN sketch_scope TEXT NOT NULL DEFAULT ''`,
+			);
+			db.prepare(
+				"INSERT INTO schema_version (version, applied_at) VALUES (:version, :applied_at)",
+			).run({
+				":version": 22,
+				":applied_at": new Date().toISOString(),
+			});
+		}
+
 		db.exec("COMMIT");
 	} catch (err) {
 		db.exec("ROLLBACK");
@@ -2355,6 +2382,8 @@ function rowToSlice(row: Record<string, unknown>): SliceRow {
 		planning_meeting: parsePlanningMeeting(row["planning_meeting_json"]),
 		sequence: (row["sequence"] as number) ?? 0,
 		replan_triggered_at: (row["replan_triggered_at"] as string) ?? null,
+		sketch_scope: (row["sketch_scope"] as string) ?? "",
+		is_sketch: (row["is_sketch"] as number) ?? 0,
 	};
 }