Phase 14: build reinject blocks from tracked paths — loose skill disk fallback

buildReinjectBlocks uses tracked filePath/baseDir when resourceLoader has no entry and requireRegistered is false, completing defer-path B-002 injection.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/reinject.ts

@@ -179,11 +179,18 @@ export function buildReinjectBlocks(
 			continue;
 		}
 		const registered = registeredByName.get(name);
+		const filePath = registered?.filePath ?? tracked.filePath;
+		const baseDir = registered?.baseDir ?? tracked.baseDir;
 		if (!registered) {
-			notifySkippedSkill(ctx, name, "no longer registered");
-			continue;
-		}
-		if (!existsSync(registered.filePath)) {
+			if (settings.requireRegistered) {
+				notifySkippedSkill(ctx, name, "no longer registered");
+				continue;
+			}
+			if (!existsSync(tracked.filePath)) {
+				notifySkippedSkill(ctx, name, "SKILL.md not found on disk");
+				continue;
+			}
+		} else if (!existsSync(filePath)) {
 			notifySkippedSkill(ctx, name, "SKILL.md not found on disk");
 			continue;
 		}
@@ -192,8 +199,8 @@ export function buildReinjectBlocks(
 				expandSkill(
 					{
 						name: tracked.name,
-						filePath: registered.filePath,
-						baseDir: registered.baseDir,
+						filePath,
+						baseDir,
 					},
 					settings.suffix,
 				),

test/reinject-deferred-consume.test.ts

@@ -2,7 +2,7 @@ import { existsSync, mkdtempSync, mkdirSync, rmSync, writeFileSync } from "fs";
 import { tmpdir } from "os";
 import { join } from "path";
 import { afterEach, describe, expect, it, vi } from "vitest";
-import { filterPendingReinjectForConsume } from "../src/reinject";
+import { filterPendingReinjectForConsume, tryConsumeDeferredReinject } from "../src/reinject";
 import { createDefaultSettings } from "../src/settings";
 import { createInitialState, trackSkill } from "../src/state";
 
@@ -94,3 +94,18 @@ describe("filterPendingReinjectForConsume", () => {
 		);
 	});
 });
+
+describe("tryConsumeDeferredReinject loose path", () => {
+	it("injects skill block from tracked filePath when not registered", () => {
+		const { filePath, baseDir } = tempSkillDir("loose");
+		const state = createInitialState();
+		trackSkill(state, { name: "loose", filePath, baseDir, source: "slash" });
+		state.pendingReinject = ["loose"];
+
+		const result = tryConsumeDeferredReinject(state, createDefaultSettings(), [], undefined);
+
+		expect(result?.message?.content).toContain('<skill name="loose"');
+		expect(result?.message?.content).toContain("[skill-reinject] Re-applied after compaction.");
+		expect(state.pendingReinject).toEqual([]);
+	});
+});