fix(completion): stop offering status once its quote is closed

The pattern's trailing optional quote let a complete `status = "x"`
match, so the popup reopened after the closing quote. Drop it so the
match ends with the value, while still typing remains supported.

src/components/PlanEditor.vue

@@ -87,7 +87,9 @@ function accept(i: number) {
   nextTick(() => {
     el.setSelectionRange(caret, caret)
     el.focus()
-    refresh() // chain, e.g. `status = ` immediately offers the enum values
+    // Chain only after completing a key (insert ends `= `), so its values pop
+    // up next. A value or header is terminal — re-running would re-offer it.
+    if (item.insert.endsWith("= ")) refresh()
   })
 }
 
@@ -145,6 +147,12 @@ function escapeHtml(s: string): string {
 
 function onInput(e: Event) {
   emit("update:modelValue", (e.target as HTMLTextAreaElement).value)
+  // Deleting text (backspace, forward-delete, cut) shouldn't summon the popup —
+  // the author is removing, not asking for suggestions. Close it and stop.
+  if ((e as InputEvent).inputType?.startsWith("delete")) {
+    completion.value = null
+    return
+  }
   refresh()
 }
 

src/components/completion.test.ts

@@ -66,6 +66,10 @@ describe("completion context", () => {
     expect(labelsAt('[[feature]]\nstatus = "o|')).toEqual(["on-track", "off-track"])
   })
 
+  it("offers nothing once the status value's quote is closed", () => {
+    expect(getCompletions(...atCaret('[[feature]]\nstatus = "on-track"|'))).toBeNull()
+  })
+
   it("suggests feature names inside a milestone requires array", () => {
     const source = '[[feature]]\nname = "Payments"\n\n[[milestone]]\nrequires = ["|'
     expect(labelsAt(source)).toEqual(["Payments"])

src/components/completion.ts

@@ -63,8 +63,8 @@ export function getCompletions(
   const lineStart = source.lastIndexOf("\n", caret - 1) + 1
   const linePrefix = source.slice(lineStart, caret)
 
-  // ── value: status = "<here>" ──────────────────────────────────────────────
-  const status = /^(\s*status\s*=\s*)"?([A-Za-z-]*)"?$/.exec(linePrefix)
+  // ── value: status = "<here>" — while typing, not once the quote is closed ──
+  const status = /^(\s*status\s*=\s*)"?([A-Za-z-]*)$/.exec(linePrefix)
   if (status) {
     const items = filter(
       STATUSES.map((s) => ({ label: s, insert: `"${s}"` })),