diff --git a/src/resources/extensions/gsd/paths.ts b/src/resources/extensions/gsd/paths.ts
index df9ae1062..cde9fa499 100644
--- a/src/resources/extensions/gsd/paths.ts
+++ b/src/resources/extensions/gsd/paths.ts
@@ -137,14 +137,6 @@ export function clearPathCache(): void {
 
 // ─── Name Builders ─────────────────────────────────────────────────────────
 
-/**
- * Build a directory name from an ID.
- * ("M001") → "M001"
- */
-export function buildDirName(id: string): string {
-  return id;
-}
-
 /**
  * Build a milestone-level file name.
  * ("M001", "CONTEXT") → "M001-CONTEXT.md"
diff --git a/src/resources/extensions/shared/progress-widget.ts b/src/resources/extensions/shared/progress-widget.ts
deleted file mode 100644
index 97af216bf..000000000
--- a/src/resources/extensions/shared/progress-widget.ts
+++ /dev/null
@@ -1,282 +0,0 @@
-/**
- * Shared persistent progress/status panel widget.
- *
- * Renders an ordered list of progress items with status glyphs, optional
- * badge, subtitle, metadata, and footer hints. Supports pulse animation
- * for active items during agent execution.
- *
- * Usage:
- *
- *   import { createProgressPanel } from "./shared/progress-widget.js";
- *
- *   const panel = createProgressPanel(ctx.ui, {
- *     widgetKey: "workflow",
- *     statusKey: "workflow",
- *     statusPrefix: "wf",
- *   });
- *
- *   panel.update(model);       // render/re-render with new model
- *   panel.startPulse();        // animate active items
- *   panel.stopPulse();         // stop animation
- *   panel.dispose();           // remove widget and status
- */
-
-import type { ExtensionUIContext, Theme } from "@gsd/pi-coding-agent";
-import type { TUI } from "@gsd/pi-tui";
-import { makeUI, type ProgressStatus } from "./ui.js";
-
-// ─── Exported types ───────────────────────────────────────────────────────────
-
-export type ProgressItemStatus = ProgressStatus;
-
-export interface ProgressItem {
-	/** Display label */
-	label: string;
-	/** Drives glyph and color */
-	status: ProgressItemStatus;
-	/** Optional text after label — e.g. artifact type, task ID */
-	detail?: string;
-	/** Optional secondary line below item — e.g. "waiting for /workflow-continue" */
-	annotation?: string;
-}
-
-export interface ProgressPanelModel {
-	/** Panel title */
-	title: string;
-	/** Optional badge next to title — e.g. "RUNNING", "PAUSED" */
-	badge?: string;
-	/** Badge color control — maps to ProgressItemStatus color */
-	badgeStatus?: ProgressItemStatus;
-	/** Optional subtitle lines below title */
-	subtitle?: string[];
-	/** Ordered progress items */
-	items: ProgressItem[];
-	/** Optional metadata lines below items */
-	meta?: string[];
-	/** Optional footer hint strings */
-	hints?: string[];
-}
-
-export interface ProgressPanelOptions {
-	/**
-	 * Widget key used with ctx.ui.setWidget(...).
-	 * Must be unique per extension.
-	 */
-	widgetKey: string;
-	/**
-	 * Status key used with ctx.ui.setStatus(...).
-	 * Must be unique per extension.
-	 */
-	statusKey: string;
-	/**
-	 * Short prefix for footer status text.
-	 * Example: "wf" produces "wf:2/3 RUNNING"
-	 */
-	statusPrefix: string;
-}
-
-export interface ProgressPanel {
-	/** Update the widget with a new model. Triggers re-render. */
-	update(model: ProgressPanelModel): void;
-	/** Start pulsing items with status "active". */
-	startPulse(): void;
-	/** Stop pulsing. Active items render at full brightness. */
-	stopPulse(): void;
-	/** Remove the widget and status from the UI. */
-	dispose(): void;
-}
-
-// ─── Internal constants ───────────────────────────────────────────────────────
-
-const PULSE_INTERVAL_MS = 500;
-
-// ─── Implementation ───────────────────────────────────────────────────────────
-
-/**
- * Create and register a persistent progress widget.
- *
- * @param ui       The `ctx.ui` object from ExtensionContext or ExtensionCommandContext
- * @param options  Widget key, status key, and status prefix
- * @returns        ProgressPanel controller
- */
-export function createProgressPanel(
-	ui: ExtensionUIContext,
-	options: ProgressPanelOptions,
-): ProgressPanel {
-	const { widgetKey, statusKey, statusPrefix } = options;
-
-	// ── Internal state ────────────────────────────────────────────────────────
-
-	let currentModel: ProgressPanelModel | null = null;
-	let stateVersion = 0;
-	let cachedLines: string[] | undefined;
-	let cachedWidth: number | undefined;
-	let cachedVersion = -1;
-	let pulseBright = true;
-	let pulseTimer: ReturnType<typeof setInterval> | null = null;
-	let widgetRef: { invalidate: () => void; requestRender: () => void } | null = null;
-
-	// ── Footer status ─────────────────────────────────────────────────────────
-
-	function updateFooterStatus(): void {
-		if (!currentModel) return;
-		const { items, badge } = currentModel;
-		const total = items.length;
-		let current = 0;
-
-		// Find first active item index (1-based)
-		const activeIdx = items.findIndex((it) => it.status === "active");
-		if (activeIdx >= 0) {
-			current = activeIdx + 1;
-		} else {
-			// Count done items + 1
-			current = items.filter((it) => it.status === "done").length + 1;
-		}
-		if (current > total) current = total;
-
-		const badgePart = badge ? ` ${badge}` : "";
-		const statusText = ui.theme.fg("accent", `${statusPrefix}:${current}/${total}${badgePart}`);
-		ui.setStatus(statusKey, statusText);
-	}
-
-	// ── Render function ───────────────────────────────────────────────────────
-
-	function renderPanel(width: number, theme: Theme): string[] {
-		// Version-based cache check
-		if (cachedLines && cachedWidth === width && cachedVersion === stateVersion) {
-			return cachedLines;
-		}
-
-		if (!currentModel) return [];
-
-		const uiHelper = makeUI(theme, width);
-		const lines: string[] = [];
-		const push = (...rows: string[][]) => { for (const r of rows) lines.push(...r); };
-		const model = currentModel;
-
-		// 1. Top bar
-		push(uiHelper.bar());
-
-		// 2. Title area — title with optional inline badge
-		if (model.badge && model.badgeStatus) {
-			const titleText = uiHelper.header(model.title)[0];
-			const badgeGlyph = uiHelper.statusGlyph(model.badgeStatus);
-			const badgeLabel = uiHelper.statusBadge(model.badge, model.badgeStatus)[0];
-			lines.push(`${titleText}  ${badgeGlyph} ${badgeLabel.trimStart()}`);
-		} else {
-			push(uiHelper.header(model.title));
-		}
-
-		// 3. Subtitle
-		if (model.subtitle?.length) {
-			for (const line of model.subtitle) {
-				push(uiHelper.meta(line));
-			}
-		}
-
-		// 4. Blank line
-		push(uiHelper.blank());
-
-		// 5. Items
-		for (const item of model.items) {
-			// Pulse: when pulseBright is false and item is active, render as pending (dimmed)
-			const renderStatus: ProgressStatus = (!pulseBright && item.status === "active")
-				? "pending"
-				: item.status;
-
-			push(uiHelper.progressItem(item.label, renderStatus, {
-				detail: item.detail,
-				emphasized: item.status === "active",
-			}));
-
-			if (item.annotation) {
-				push(uiHelper.progressAnnotation(item.annotation));
-			}
-		}
-
-		// 6. Blank line (if meta or hints follow)
-		if (model.meta?.length || model.hints?.length) {
-			push(uiHelper.blank());
-		}
-
-		// 7. Meta
-		if (model.meta?.length) {
-			for (const line of model.meta) {
-				push(uiHelper.meta(line));
-			}
-		}
-
-		// 8. Hints
-		if (model.hints?.length) {
-			push(uiHelper.hints(model.hints));
-		}
-
-		// 9. Bottom bar
-		push(uiHelper.bar());
-
-		cachedLines = lines;
-		cachedWidth = width;
-		cachedVersion = stateVersion;
-		return lines;
-	}
-
-	// ── Register widget ───────────────────────────────────────────────────────
-
-	ui.setWidget(widgetKey, (tui: TUI, theme: Theme) => {
-		widgetRef = {
-			invalidate: () => { cachedLines = undefined; },
-			requestRender: () => tui.requestRender(),
-		};
-
-		return {
-			render(width: number): string[] {
-				return renderPanel(width, theme);
-			},
-			invalidate() {
-				cachedLines = undefined;
-			},
-		};
-	});
-
-	// ── Controller ────────────────────────────────────────────────────────────
-
-	return {
-		update(model: ProgressPanelModel): void {
-			currentModel = model;
-			stateVersion++;
-			cachedLines = undefined;
-			updateFooterStatus();
-			if (widgetRef) widgetRef.requestRender();
-		},
-
-		startPulse(): void {
-			if (pulseTimer) return; // already pulsing
-			pulseTimer = setInterval(() => {
-				pulseBright = !pulseBright;
-				cachedLines = undefined;
-				if (widgetRef) widgetRef.requestRender();
-			}, PULSE_INTERVAL_MS);
-		},
-
-		stopPulse(): void {
-			if (pulseTimer) {
-				clearInterval(pulseTimer);
-				pulseTimer = null;
-			}
-			pulseBright = true;
-			cachedLines = undefined;
-			if (widgetRef) widgetRef.requestRender();
-		},
-
-		dispose(): void {
-			if (pulseTimer) {
-				clearInterval(pulseTimer);
-				pulseTimer = null;
-			}
-			ui.setWidget(widgetKey, undefined);
-			ui.setStatus(statusKey, undefined);
-			currentModel = null;
-			widgetRef = null;
-		},
-	};
-}
diff --git a/src/resources/extensions/shared/thinking-widget.ts b/src/resources/extensions/shared/thinking-widget.ts
deleted file mode 100644
index d1f3bc1e2..000000000
--- a/src/resources/extensions/shared/thinking-widget.ts
+++ /dev/null
@@ -1,107 +0,0 @@
-/**
- * Shared thinking/spinner widget.
- *
- * Shows an animated spinner with a label and an optional live-preview of
- * streamed text (e.g. LLM output) while a background operation is running.
- *
- * Usage:
- *
- *   import { showThinkingWidget } from "./shared/thinking-widget.js";
- *
- *   const widget = showThinkingWidget("Generating questions…", ctx);
- *
- *   // Optionally stream partial text into the preview line:
- *   widget.setText(partialLlmOutput);
- *
- *   // Always dispose when done — removes the widget from the UI:
- *   widget.dispose();
- *
- * Each call gets a unique widget key derived from a monotonic counter, so
- * multiple widgets can safely coexist without key collisions.
- */
-
-import type { ExtensionCommandContext } from "@gsd/pi-coding-agent";
-import { type Theme } from "@gsd/pi-coding-agent";
-import { truncateToWidth, type TUI } from "@gsd/pi-tui";
-
-// ─── Public API ───────────────────────────────────────────────────────────────
-
-export interface ThinkingWidget {
-	/**
-	 * Update the streamed-text preview line.
-	 * Pass the full accumulated text — the widget trims and previews the tail.
-	 */
-	setText(text: string): void;
-	/** Remove the widget from the UI. Always call this when the operation completes. */
-	dispose(): void;
-}
-
-// ─── Internal constants ───────────────────────────────────────────────────────
-
-const SPINNER_FRAMES = ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"] as const;
-const SPINNER_INTERVAL_MS = 80;
-const PREVIEW_MAX_CHARS = 120;
-
-let widgetCounter = 0;
-
-// ─── Implementation ───────────────────────────────────────────────────────────
-
-/**
- * Show an animated thinking spinner as a TUI widget.
- *
- * @param label  Short description of what is happening, e.g. "Writing PROJECT.md…"
- * @param ctx    Extension command context
- * @returns      Handle with setText() and dispose()
- */
-export function showThinkingWidget(label: string, ctx: ExtensionCommandContext): ThinkingWidget {
-	const widgetKey = `thinking-widget-${++widgetCounter}`;
-
-	let streamedText = "";
-	let widgetRef: { invalidate: () => void; requestRender: () => void } | null = null;
-
-	ctx.ui.setWidget(widgetKey, (tui: TUI, theme: Theme) => {
-		let frame = 0;
-		let cachedLines: string[] | undefined;
-
-		const interval = setInterval(() => {
-			frame = (frame + 1) % SPINNER_FRAMES.length;
-			cachedLines = undefined;
-			tui.requestRender();
-		}, SPINNER_INTERVAL_MS);
-
-		widgetRef = {
-			invalidate: () => { cachedLines = undefined; },
-			requestRender: () => tui.requestRender(),
-		};
-
-		return {
-			render(width: number): string[] {
-				if (cachedLines) return cachedLines;
-				const spinner = theme.fg("accent", SPINNER_FRAMES[frame]);
-				const lines: string[] = [];
-				lines.push(truncateToWidth(`  ${spinner} ${theme.fg("muted", label)}`, width));
-				if (streamedText) {
-					const preview = streamedText.replace(/\s+/g, " ").trim().slice(-PREVIEW_MAX_CHARS);
-					lines.push(truncateToWidth(`  ${theme.fg("dim", preview)}`, width));
-				}
-				cachedLines = lines;
-				return lines;
-			},
-			invalidate() { cachedLines = undefined; },
-			dispose() { clearInterval(interval); },
-		};
-	});
-
-	return {
-		setText(text: string) {
-			streamedText = text;
-			if (widgetRef) {
-				widgetRef.invalidate();
-				widgetRef.requestRender();
-			}
-		},
-		dispose() {
-			ctx.ui.setWidget(widgetKey, undefined);
-		},
-	};
-}