diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3840d02..ff4cf61 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -6,6 +6,8 @@ on:
 
 permissions:
   contents: write
+  id-token: write
+  attestations: write
 
 jobs:
   build-and-upload:
@@ -29,8 +31,16 @@ jobs:
       - name: Verify Files Exist
         run: ls -la main.js styles.css manifest.json
 
+      - name: Generate Artifact Attestations
+        uses: actions/attest-build-provenance@v2
+        with:
+          subject-path: |
+            main.js
+            styles.css
+            manifest.json
+
       - name: Upload Release Assets (Original Names)
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
         with:
           files: |
             main.js
diff --git a/.gitignore b/.gitignore
index aca1122..05fcffd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# cursor
+.cursor
+
 # vscode
 .vscode 
 
diff --git a/manifest.json b/manifest.json
index e19c9b3..e4d30c9 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
 	"id": "taskmap",
 	"name": "Taskmap",
-	"version": "0.1.8",
+	"version": "0.1.9",
 	"minAppVersion": "1.12.4",
 	"description": "Plan projects via interactive GUI task trees with automatic layout.",
 	"author": "poanse",
diff --git a/package.json b/package.json
index 9c582f3..9119c1a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "obsidian-taskmap",
-	"version": "0.1.8",
+	"version": "0.1.9",
 	"description": "Taskmap plugin for Obsidian (https://obsidian.md)",
 	"main": "main.js",
 	"scripts": {
@@ -9,7 +9,7 @@
 		"version": "node version-bump.mjs && git add manifest.json versions.json",
 		"svelte-check": "svelte-check --tsconfig tsconfig.json",
 		"perf:tasks": "tsx scripts/perf-tasks.ts",
-		"test": "tsx --test tests/reparent-priorities.test.ts",
+		"test": "tsx --test tests/*.test.ts",
 		"lint": "eslint .",
 		"lint:fix": "eslint . --fix"
 	},
diff --git a/src/DraggingManager.svelte.ts b/src/DraggingManager.svelte.ts
index b58ef7d..ff7b8db 100644
--- a/src/DraggingManager.svelte.ts
+++ b/src/DraggingManager.svelte.ts
@@ -16,7 +16,7 @@ export class DraggingManager {
 
 	public onPointerDown = (e: PointerEvent) => {
 		console.debug("DraggingManager pointerDown");
-		this.mouseDown = e.button as MouseDown;
+		this.mouseDown = e.button;
 		if (this.mouseCodes.includes(this.mouseDown)) {
 			this.startX = e.clientX;
 			this.startY = e.clientY;
diff --git a/src/components/Task.svelte b/src/components/Task.svelte
index b243802..8b2a196 100644
--- a/src/components/Task.svelte
+++ b/src/components/Task.svelte
@@ -119,6 +119,7 @@
 	{#key context.updateOnZoomCounter}
 		<div
 			class="task-container"
+			class:editing={context.editingTaskId === taskId}
 			bind:this={self}
 			role="presentation"
 			style="
@@ -207,6 +208,9 @@
 		z-index: 3; /* over lines*/
 		position: absolute;
 	}
+	.task-container.editing {
+		z-index: 4; /* raise the task being renamed above its siblings */
+	}
 	.task {
 		/*background: #111;*/
 		/*background-color: #1E1E1E;*/
diff --git a/src/data/Action.ts b/src/data/Action.ts
index f243a66..272ca64 100644
--- a/src/data/Action.ts
+++ b/src/data/Action.ts
@@ -58,23 +58,15 @@ export class RemoveTaskSingleAction implements Action {
 
 	do(data: ProjectData): void {
 		const task = data.getTask(this.taskId);
-		const parentTask = data.getTask(task.parentId);
+		const parentId = task.parentId;
 		task.deleted = true;
 		this.children = data.getChildren(this.taskId);
-		data.getChildren(task.parentId).forEach((taskId) => {
-			const t = data.getTask(taskId);
-			if (t.priority > task.priority) {
-				t.priority += this.children!.length;
-			}
-		});
-		this.children.forEach((taskId) => {
-			const t = data.getTask(taskId);
-			t.priority += task.priority;
-			t.parentId = parentTask.taskId;
-			t.depth = parentTask.depth + 1;
-		});
-		data.recalcPriorities(task.parentId);
-		data.recalcStatusRecursive(task.parentId);
+		// Promote the children into the deleted task's slot, or recalc the parent.
+		data.reparentChildren(
+			this.children,
+			parentId,
+			task.priority,
+		);
 		data.updateTasksView();
 	}
 
@@ -84,14 +76,7 @@ export class RemoveTaskSingleAction implements Action {
 		}
 		const task = data.getTask(this.taskId);
 		task.deleted = false;
-		this.children.forEach((taskId) => {
-			const t = data.getTask(taskId);
-			t.parentId = task.taskId;
-			t.depth = task.depth + 1;
-		});
-		data.recalcPriorities(task.parentId);
-		data.recalcPriorities(task.taskId);
-		data.recalcStatusRecursive(task.taskId);
+		data.reparentChildren(this.children, task.taskId);
 		this.children = undefined;
 	}
 }
@@ -250,22 +235,16 @@ export class ChangeParentAction implements Action {
 	do(data: ProjectData) {
 		this.oldParentId = data.getTask(this.taskId).parentId;
 		this.oldPriority = data.getTask(this.taskId).priority;
-		data.getTask(this.taskId).priority = -1;
-		data.changeParent(this.taskId, this.newParentId);
-		data.recalcPriorities(this.newParentId);
-		data.recalcPriorities(this.oldParentId);
+		// Insert at the beginning of the new parent's children.
+		data.reparentChild(this.taskId, this.newParentId, 0);
 	}
 
 	undo(data: ProjectData) {
 		if (this.oldParentId === undefined || this.oldPriority === undefined) {
 			throw new Error();
 		}
-		// Use oldPriority - 0.5 so recalcPriorities places task exactly at oldPriority
-		// (sibling priorities are always whole numbers, so this slots in unambiguously)
-		data.getTask(this.taskId).priority = this.oldPriority - 0.5;
-		data.changeParent(this.taskId, this.oldParentId);
-		data.recalcPriorities(this.oldParentId);
-		data.recalcPriorities(this.newParentId);
+		// Restore the task to its exact original slot among its old siblings.
+		data.reparentChild(this.taskId, this.oldParentId, this.oldPriority);
 		this.oldParentId = undefined;
 		this.oldPriority = undefined;
 	}
diff --git a/src/data/ProjectData.svelte.ts b/src/data/ProjectData.svelte.ts
index 4308b00..ac718a4 100644
--- a/src/data/ProjectData.svelte.ts
+++ b/src/data/ProjectData.svelte.ts
@@ -212,17 +212,93 @@ export class ProjectData {
 		return this.getTask(taskId).deleted;
 	}
 
-	public changeParent(taskId: TaskId, newParentId: TaskId) {
-		const taskData = this.getTask(taskId);
-		const oldParentId = taskData.parentId;
-		taskData.parentId = newParentId;
-		this.rebuildCaches();
-		this.recalcStatusRecursive(oldParentId);
-		this.recalcStatusRecursive(newParentId);
-		this.getDescendantIds(taskId).forEach((taskId) => {
-			const task = this.getTask(taskId);
-			task.depth = this.getTask(task.parentId).depth + 1;
-		});
+	// Normalize a parent's child priorities and refresh its status upward.
+	public recalcParent(parentId: TaskId) {
+		this.recalcPriorities(parentId);
+		this.recalcStatusRecursive(parentId);
+	}
+
+	public reparentChild(
+		taskId: TaskId,
+		newParentId: TaskId,
+		insertPriority?: number,
+	) {
+		this.reparentChildren([taskId], newParentId, insertPriority);
+	}
+
+	/**
+	 * Reparent tasks under newParentId with a single cache rebuild. Updates
+	 * subtree depths and inserts the batch into the new parent's priority
+	 * ordering, preserving the batch's own relative order while existing
+	 * siblings shift to make room. When insertPriority is omitted the batch is
+	 * appended after the current siblings.
+	 *
+	 * When taskIds is empty, recalcParent runs for newParentId and its parent.
+	 */
+	public reparentChildren(
+		taskIds: TaskId[],
+		newParentId: TaskId,
+		insertPriority?: number,
+	) {
+		const oldParentIds: TaskId[] = [];
+		for (const taskId of taskIds) {
+			const parentId = this.getTask(taskId).parentId;
+			if (!oldParentIds.includes(parentId)) {
+				oldParentIds.push(parentId);
+			}
+		}
+		if (taskIds.length > 0) {
+			// Capture the batch's relative order before assigning new priorities.
+			const ordered = [...taskIds].sort(
+				(a, b) => this.getTask(a).priority - this.getTask(b).priority,
+			);
+			for (const taskId of taskIds) {
+				this.getTask(taskId).parentId = newParentId;
+			}
+			this.rebuildCaches();
+			for (const taskId of taskIds) {
+				this.getDescendantIds(taskId).forEach((descendantId) => {
+					const descendant = this.getTask(descendantId);
+					descendant.depth =
+						this.getTask(descendant.parentId).depth + 1;
+				});
+			}
+			const siblings = this.getChildren(newParentId).filter(
+				(id) => !taskIds.includes(id),
+			);
+			const insertAt =
+				insertPriority ??
+				siblings.reduce(
+					(max, id) => Math.max(max, this.getTask(id).priority + 1),
+					0,
+				);
+			siblings.forEach((id) => {
+				const sibling = this.getTask(id);
+				if (sibling.priority >= insertAt) {
+					sibling.priority += taskIds.length;
+				}
+			});
+			ordered.forEach((id, idx) => {
+				this.getTask(id).priority = insertAt + idx;
+			});
+		}
+		const parentsToRecalc: TaskId[] = [];
+		const addParent = (parentId: TaskId) => {
+			if (!parentsToRecalc.includes(parentId)) {
+				parentsToRecalc.push(parentId);
+			}
+		};
+		addParent(newParentId);
+		oldParentIds.forEach(addParent);
+		if (taskIds.length === 0) {
+			const parentId = this.getTask(newParentId).parentId;
+			if (parentId !== NoTaskId) {
+				addParent(parentId);
+			}
+		}
+		for (const parentId of parentsToRecalc) {
+			this.recalcParent(parentId);
+		}
 	}
 
 	public recalcStatusRecursive(taskId: TaskId) {
diff --git a/src/helpers/FolderSuggest.ts b/src/helpers/FolderSuggest.ts
index 40355c4..4921e71 100644
--- a/src/helpers/FolderSuggest.ts
+++ b/src/helpers/FolderSuggest.ts
@@ -9,9 +9,7 @@ export class FolderSuggest extends AbstractInputSuggest<TFolder> {
 	textInputEl: HTMLInputElement;
 
 	constructor(app: App, textInputEl: HTMLInputElement) {
-		// Cast the textarea to HTMLInputElement to satisfy TypeScript.
-		// This is a dirty hack, but runtime behavior is compatible
-		super(app, textInputEl as unknown as HTMLInputElement);
+		super(app, textInputEl);
 		this.textInputEl = textInputEl;
 	}
 
diff --git a/src/types.ts b/src/types.ts
index 6d83955..9903ffb 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -55,7 +55,7 @@ export const classStringFromStatusCode = (code: StatusCode) => {
 };
 
 export const toIconCode = (s: StatusCode) => {
-	return (s + IconCode.STATUS_DRAFT) as IconCode;
+	return s + IconCode.STATUS_DRAFT;
 };
 
 export const toStatusCode = (s: IconCode) => {
diff --git a/tests/remove-task-priorities.test.ts b/tests/remove-task-priorities.test.ts
new file mode 100644
index 0000000..e8538e4
--- /dev/null
+++ b/tests/remove-task-priorities.test.ts
@@ -0,0 +1,110 @@
+import * as assert from "node:assert/strict";
+import { test } from "node:test";
+import { NoTaskId } from "../src/NodePositionsCalculator";
+import { RemoveTaskSingleAction } from "../src/data/Action";
+import { ProjectData } from "../src/data/ProjectData.svelte";
+import { TASKMAP_FILE_SCHEMA_VERSION } from "../src/data/ProjectDataSchema";
+import { StatusCode, type TaskData, type TaskId } from "../src/types";
+
+if (!("$state" in globalThis)) {
+	Object.defineProperty(globalThis, "$state", {
+		value: <T>(value: T) => value,
+	});
+}
+
+function task(
+	taskId: TaskId,
+	parentId: TaskId,
+	depth: number,
+	priority: number,
+	name: string,
+): TaskData {
+	return {
+		taskId,
+		parentId,
+		depth,
+		priority,
+		deleted: false,
+		hidden: false,
+		status: StatusCode.READY,
+		name,
+	};
+}
+
+// Tree:
+//   root (0)
+//     A (1)
+//       B (2)   prio 0
+//         C (4) prio 0
+//         D (5) prio 1
+//       E (3)   prio 1
+//       F (6)   prio 2
+function createProjectData(): ProjectData {
+	return new ProjectData({
+		schemaVersion: TASKMAP_FILE_SCHEMA_VERSION,
+		tasks: [
+			task(0, NoTaskId, 0, 0, "root"),
+			task(1, 0, 1, 0, "A"),
+			task(2, 1, 2, 0, "B"),
+			task(3, 1, 2, 1, "E"),
+			task(4, 2, 3, 0, "C"),
+			task(5, 2, 3, 1, "D"),
+			task(6, 1, 2, 2, "F"),
+		],
+		blockerPairs: [],
+		folderPath: undefined,
+		curTaskId: 7,
+		taskSizeOverrides: [],
+	});
+}
+
+function assertChildrenByPriority(
+	data: ProjectData,
+	parentId: TaskId,
+	expectedTaskIds: TaskId[],
+) {
+	const children = data
+		.getChildren(parentId)
+		.map((id) => data.getTask(id))
+		.sort((a, b) => a.priority - b.priority);
+
+	assert.deepEqual(
+		children.map((t) => t.taskId),
+		expectedTaskIds,
+	);
+	const priorities = children.map((t) => t.priority);
+	assert.ok(priorities.every(Number.isInteger));
+	assert.deepEqual(
+		priorities,
+		Array.from({ length: children.length }, (_, idx) => idx),
+	);
+}
+
+void test("removing a task promotes its children into its slot with contiguous priorities", () => {
+	const data = createProjectData();
+
+	// Delete B (id 2). Its children C (4) and D (5) should be promoted into A,
+	// taking B's slot, giving order C, D, E, F with priorities 0, 1, 2, 3.
+	new RemoveTaskSingleAction(2).do(data);
+
+	assert.equal(data.isTaskDeleted(2), true);
+	assert.equal(data.getTask(4).parentId, 1);
+	assert.equal(data.getTask(5).parentId, 1);
+	assert.equal(data.getTask(4).depth, 2);
+	assert.equal(data.getTask(5).depth, 2);
+	assertChildrenByPriority(data, 1, [4, 5, 3, 6]);
+});
+
+void test("undoing a task removal restores the original tree structure and priorities", () => {
+	const data = createProjectData();
+	const action = new RemoveTaskSingleAction(2);
+
+	action.do(data);
+	action.undo(data);
+
+	assert.equal(data.isTaskDeleted(2), false);
+	assert.equal(data.getTask(4).parentId, 2);
+	assert.equal(data.getTask(5).parentId, 2);
+	assertChildrenByPriority(data, 1, [2, 3, 6]);
+	assertChildrenByPriority(data, 2, [4, 5]);
+});
diff --git a/tests/reparent-priorities.test.ts b/tests/reparent-priorities.test.ts
new file mode 100644
index 0000000..248f477
--- /dev/null
+++ b/tests/reparent-priorities.test.ts
@@ -0,0 +1,98 @@
+import * as assert from "node:assert/strict";
+import { test } from "node:test";
+import { NoTaskId } from "../src/NodePositionsCalculator";
+import { ChangeParentAction } from "../src/data/Action";
+import { ProjectData } from "../src/data/ProjectData.svelte";
+import { TASKMAP_FILE_SCHEMA_VERSION } from "../src/data/ProjectDataSchema";
+import { StatusCode, type TaskData, type TaskId } from "../src/types";
+
+if (!("$state" in globalThis)) {
+	Object.defineProperty(globalThis, "$state", {
+		value: <T>(value: T) => value,
+	});
+}
+
+function task(
+	taskId: TaskId,
+	parentId: TaskId,
+	depth: number,
+	priority: number,
+	name: string,
+): TaskData {
+	return {
+		taskId,
+		parentId,
+		depth,
+		priority,
+		deleted: false,
+		hidden: false,
+		status: StatusCode.READY,
+		name,
+	};
+}
+
+function createProjectData(): ProjectData {
+	return new ProjectData({
+		schemaVersion: TASKMAP_FILE_SCHEMA_VERSION,
+		tasks: [
+			task(0, NoTaskId, 0, 0, "root"),
+			task(1, 0, 1, 0, "old parent"),
+			task(2, 0, 1, 1, "new parent"),
+			task(3, 1, 2, 0, "old child before moved"),
+			task(4, 1, 2, 1, "moved child"),
+			task(5, 1, 2, 2, "old child after moved"),
+			task(6, 2, 2, 0, "new child first"),
+			task(7, 2, 2, 1, "new child second"),
+		],
+		blockerPairs: [],
+		folderPath: undefined,
+		curTaskId: 8,
+		taskSizeOverrides: [],
+	});
+}
+
+function assertChildrenByPriority(
+	data: ProjectData,
+	parentId: TaskId,
+	expectedTaskIds: TaskId[],
+) {
+	const children = data
+		.getChildren(parentId)
+		.map((id) => data.getTask(id))
+		.sort((a, b) => a.priority - b.priority);
+
+	assert.deepEqual(
+		children.map((t) => t.taskId),
+		expectedTaskIds,
+	);
+	const priorities = children.map((t) => t.priority);
+	assert.ok(priorities.every(Number.isInteger));
+	assert.deepEqual(
+		priorities,
+		Array.from({ length: children.length }, (_, idx) => idx),
+	);
+}
+
+void test("reparenting normalizes sibling priorities for both parents", () => {
+	const data = createProjectData();
+
+	assert.equal(data.getTask(4).parentId, 1);
+	new ChangeParentAction(4, 2).do(data);
+
+	assert.equal(data.getTask(4).parentId, 2);
+	assertChildrenByPriority(data, 1, [3, 5]);
+	// Reparented task is inserted at the beginning of the new parent's children.
+	assertChildrenByPriority(data, 2, [4, 6, 7]);
+});
+
+void test("undoing a reparent restores the original sibling priority", () => {
+	const data = createProjectData();
+	const action = new ChangeParentAction(4, 2);
+
+	action.do(data);
+	action.undo(data);
+
+	assert.equal(data.getTask(4).parentId, 1);
+	assertChildrenByPriority(data, 1, [3, 4, 5]);
+	assertChildrenByPriority(data, 2, [6, 7]);
+});
diff --git a/tsconfig.json b/tsconfig.json
index 7b5ba36..093e496 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -13,6 +13,7 @@
 		"importHelpers": true,
 		"isolatedModules": true,
 		"strictNullChecks": true,
+		"types": ["node"],
 		"lib": ["DOM", "ES5", "ES6", "ES7"]
 	},
 	"include": ["**/*.ts", "**/*.svelte"]
diff --git a/versions.json b/versions.json
index 26382a1..332b516 100644
--- a/versions.json
+++ b/versions.json
@@ -1,3 +1,3 @@
 {
-	"1.0.0": "0.15.0"
+	"0.1.9": "1.12.4"
 }