Curation v2 step 1: three-way feedback, rating events, reader profile

- Migration 0002: rating_events, article_embeddings, interest_embeddings,
  article_assessments, candidate_runs, runs.config_json/provider_costs_json,
  issue_articles.why; copies ratings into rating_events and drops ratings and
  feed_priors (scores stays until step 4).
- Vote is Loved | Good | NotForMe; legacy `up` links still verify as Loved.
- Footer offers Loved it / Good / Not for me; the confirmation page offers the
  other two so a mis-tap can be corrected. handle_rating appends one event.
- db::current_ratings implements the latest-explicit-event rule with summaries
  and facets; `ratings list|set|clear` CLI appends source='cli' events.
- data/profile.md replaces the hard-coded reader prose; the system prompt is
  rebuilt every run in the §8.4 order with a recent-verdicts block.
- Weekly rebuild reads summaries, facets and notes; feed priors removed.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01A1rCLQeKBgnBo3oTgHuTMe

src/epub/templates/chapter.xhtml

@@ -24,9 +24,10 @@
       <hr class="rule"/>
       <div class="article-footer">
 {% if let Some(links) = rating %}
-        <p class="rating">Was this a good pick? <a href="{{ links.up_url }}">[ &#128077; Yes ]</a> &#183; <a href="{{ links.down_url }}">[ &#128078; No ]</a></p>
-{% endif %}
+        <p class="rating">Was this a good pick? &#160; <a href="{{ links.loved_url }}">[ Loved it ]</a> &#160; <a href="{{ links.good_url }}">[ Good ]</a> &#160; <a href="{{ links.not_for_me_url }}">[ Not for me ]</a> &#160;&#160;&#160; <a href="{{ read_online_url }}">Read online &#8599;</a></p>
+{% else %}
         <p class="read-online"><a href="{{ read_online_url }}">Read online &#8599;</a></p>
+{% endif %}
 {% if let Some(href) = discussion_href %}
         <p class="see-discussion"><a href="{{ href }}">&#128172; Read the discussion</a></p>
 {% endif %}

src/epub/templates/style.css

@@ -224,6 +224,10 @@ hr.rule {
   font-size: 0.9em;
 }
 
+.rating {
+  font-size: 0.8em;
+}
+
 .rating a {
   text-decoration: none;
 }