rename: Note→Post/Line (dashboard); Recognition→Note (drama); new-post/my-posts to billboard

- dashboard: Note→Post, Item→Line across models, forms, views, API, urls & tests
- new-post (9×3) & my-posts (3×3) applets migrate from dashboard→billboard context; billboard view passes form & recent_posts
- drama: Recognition→Note, related_name notes; billboard URL /recognition/→/my-notes/, set-palette at /note/<slug>/set-palette
- recognition.js→note.js (module Note, data.note key); recognition-page.js→note-page.js; .recog-*→.note-*
- _recognition.scss→_note.scss; BillNotes page header; applet slug billboard-recognition→billboard-notes (My Notes)
- NoteSpec.js replaces RecognitionSpec.js; test_recognition.py→test_applet_my_notes.py
- 4 migrations applied: dashboard 0004, applets 0011+0012, drama 0005; 683 ITs green

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/templates/apps/dashboard/post.html

@@ -0,0 +1,57 @@
+{% extends "core/base.html" %}
+{% load lyric_extras %}
+
+{% block title_text %}Dashpost{% endblock title_text %}
+{% block header_text %}<span>Dash</span>post{% endblock header_text %}
+
+
+{% block extra_header %}
+    {% url "view_post" post.id as form_action %}
+    {% include "apps/dashboard/_partials/_form.html" with form=form form_action=form_action %}
+{% endblock extra_header %}
+
+{% block content %}
+    <div class="row justify-content-center">
+        <div class="col-lg-6">
+            <small>Post created by: <span id="id_post_owner">{{ post.owner|display_name }}</span></small>
+            <table id="id_post_table" class="table">
+                {% for line in post.lines.all %}
+                    <tr><td>{{ forloop.counter }}. {{ line.text }}</td></tr>
+                {% endfor %}
+            </table>
+        </div>
+    </div>
+
+    <div class="row justify-content-center">
+        <div class="col-lg-6">
+
+            <form method="POST" action="{% url "share_post" post.id %}">
+                {% csrf_token %}
+                <input
+                    id="id_recipient"
+                    name="recipient"
+                    class="form-control form-control-lg{% if form.errors.recipient %} is-invalid{% endif %}"
+                    placeholder="friend@example.com"
+                    aria-describedby="id_recipient_feedback"
+                    required
+                />
+                {% if form.errors.recipient %}
+                    <div id="id_recipient_feedback" class="invalid-feedback">
+                        {{ form.errors.recipient.0 }}
+                    </div>
+                {% endif %}
+
+                <button type="submit" class="btn btn-primary">Share</button>
+            </form>
+            <small>Post shared with:
+                {% for user in post.shared_with.all %}
+                    <span class="post-recipient">{{ user|display_name }}</span>
+                {% endfor %}
+            </small>
+        </div>
+    </div>
+{% endblock content %}
+
+{% block scripts %}
+    {% include "apps/dashboard/_partials/_scripts.html" %}
+{% endblock scripts %}