fix(dashboard): clarify Kanban Ready vs assignment

Ready column help and fallbacks now describe dependency-ready work; show a
badge on unassigned ready cards and fix the stale unassigned tooltip. Align
localized Ready help strings with the new semantics.

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

web/src/i18n/en.ts

@@ -574,6 +574,9 @@ export const en: Translations = {
     createTask: "Create task in this column",
     noTasks: "— no tasks —",
     unassigned: "unassigned",
+    needsAssignee: "Needs assignee",
+    needsAssigneeHint:
+      "Dependencies are satisfied, but the dispatcher skips this task until you assign a profile.",
     untitled: "(untitled)",
     loadingDetail: "Loading…",
     addComment: "Add a comment… (Enter to submit)",
@@ -664,7 +667,7 @@ export const en: Translations = {
     columnHelp: {
       triage: "Raw ideas — a specifier will flesh out the spec",
       todo: "Waiting on dependencies or unassigned",
-      ready: "Assigned and waiting for a dispatcher tick",
+      ready: "Dependencies satisfied; assign a profile to dispatch",
       running: "Claimed by a worker — in-flight",
       blocked: "Worker asked for human input",
       done: "Completed",