Fix done status not persisting after reload

scripts/test-me-tasks.mjs

@@ -1,5 +1,6 @@
 /**
- * Unit tests for me/tasks API helpers (patch + board state merge).
+ * Unit tests for me/tasks API helpers (board state merge).
+ * Path encoding lives in scripts/test-paths.mjs (encodeTaskPathParam).
  * Run: node --experimental-strip-types scripts/test-me-tasks.mjs
  */
 import {

scripts/test-paths.mjs

@@ -19,6 +19,8 @@ import {
   flatClassPath,
   flatTaskPath,
   isValidTaskRouteRef,
+  encodeTaskPathParam,
+  normalizeMeTaskPointer,
 } from "../src/common/paths.ts";
 
 let failed = 0;
@@ -145,6 +147,33 @@ assert(!isValidTaskRouteRef("t@mvla.net/abc123"), "rejects email/classId (class,
 assert(!isValidTaskRouteRef("a~b~c~d"), "rejects four-segment refs");
 assert(!isValidTaskRouteRef("classId~"), "rejects trailing empty task id");
 
+console.log("\n--- me/tasks path encoding (tilde, not %2F) ---\n");
+
+assertEq(
+  normalizeMeTaskPointer("classA/taskB"),
+  { path: "classA/taskB", tildeRef: "classA~taskB" },
+  "normalize slash"
+);
+assertEq(
+  normalizeMeTaskPointer("classA~taskB"),
+  { path: "classA/taskB", tildeRef: "classA~taskB" },
+  "normalize tilde"
+);
+assertEq(
+  normalizeMeTaskPointer("teacher@school.edu/classA/taskB"),
+  { path: "classA/taskB", tildeRef: "classA~taskB" },
+  "normalize legacy email path"
+);
+assert(
+  encodeTaskPathParam("classA/taskB") === encodeURIComponent("classA~taskB"),
+  "encode prefers tilde, not %2F"
+);
+assert(!encodeTaskPathParam("classA/taskB").includes("%2F"), "encoded path must not contain %2F");
+assert(
+  encodeTaskPathParam("classA~taskB") === encodeURIComponent("classA~taskB"),
+  "encode tilde passthrough"
+);
+
 console.log("\n--- done ---\n");
 if (failed) {
   console.error(`${failed} assertion(s) failed`);

src/common/meTaskState.ts

@@ -3,8 +3,6 @@
  * @module common/meTaskState
  */
 
-import { flatTaskPath } from "./paths";
-
 /** Per-task personal state returned by me/tasks and board payloads. */
 export interface MeTaskState {
   ref: string;
@@ -16,6 +14,10 @@ export interface MeTaskState {
   workspace_id: string | null;
 }
 
+function flatTaskPath(classId: string, taskId: string): string {
+  return [classId, taskId].join("/");
+}
+
 /** Merge board task row fields into a MeTaskState map entry. */
 export function meTaskStateFromBoardTask(
   task: Record<string, unknown>,