Keep Tours place context on broadcasts and clips (#705)

ddiff --git a/migrations/0037_stream_place.sql b/migrations/0037_stream_place.sql
nnew file mode 100644
iindex 00000000..733a00f1
---- /dev/null
++++ b/migrations/0037_stream_place.sql
@@@ -0,0 +1,9 @@
++-- phase: expand
++-- A broadcast may name the verified Tours place from which it starts. This stays on the
++-- session, so later VOD and clip reads can keep the same location after the stream ends.
++ALTER TABLE streams ADD COLUMN place_name text;
++ALTER TABLE streams ADD COLUMN place_url text;
++ALTER TABLE streams ADD CONSTRAINT streams_place_link CHECK (
++    (place_name IS NULL AND place_url IS NULL) OR
++    (length(place_name) BETWEEN 1 AND 120 AND place_url ~ '^https://openvibe\.tours/place/[a-z0-9-]+-plc_[0-9A-HJKMNP-TV-Z]{26}$')
++);
ddiff --git a/public/css/features/broadcast.css b/public/css/features/broadcast.css
iindex 910dc7af..eb3f2aa6 100644
---- a/public/css/features/broadcast.css
++++ b/public/css/features/broadcast.css
@@@ -3176,6 +3176,8 @@ body.bc-golive-dock-on #page-broadcast { padding-bottom: calc(104px + var(--ovna
  .gl-card { min-width: 0; padding: 16px; border-radius: 18px; border: 1px solid var(--border);
      background: color-mix(in srgb, var(--bg-card) 94%, transparent); box-shadow: 0 1px 0 color-mix(in srgb, var(--text-primary) 4%, transparent) inset; }
  .gl-title-row { display: flex; align-items: center; gap: 12px; min-width: 0; }
++.gl-place-handoff { margin: 8px 0 14px; padding: 10px 12px; border-radius: 10px; background: var(--surface-2, rgba(255,255,255,.06)); color: var(--text-muted); font-size: .86rem; line-height: 1.4; }
++.gl-place-handoff a { color: var(--text-primary, inherit); font-weight: 650; }
  .gl-title { flex: 1 1 auto; min-width: 0; width: 100%; box-sizing: border-box; margin: -5px -8px; padding: 5px 8px; font: inherit; font-size: 1.4rem; font-weight: 800;
      line-height: 1.25; letter-spacing: -0.01em; color: var(--text-primary); background: transparent; border: 1px solid transparent; border-radius: 10px;
      transition: border-color var(--ov-dur-2, .15s), background-color var(--ov-dur-2, .15s); }
ddiff --git a/public/js/broadcast-workspace.js b/public/js/broadcast-workspace.js
iindex 17a633db..70310720 100644
---- a/public/js/broadcast-workspace.js
++++ b/public/js/broadcast-workspace.js
@@@ -184,6 +184,17 @@ function _wsShowEmpty() {
      if (panel) panel.style.display = 'none';
  }
  
++/** A Tours link may fill the studio. The streamer still presses Go live and can edit the title. */
++function toursPlaceHandoff(search) {
++    try {
++        const q = new URLSearchParams(search);
++        const name = String(q.get('place') || '').trim().slice(0, 120);
++        const url = String(q.get('place_url') || '').trim();
++        if (!name || !/^https:\/\/openvibe\.tours\/place\/[a-z0-9-]+-plc_[0-9A-HJKMNP-TV-Z]{26}$/.test(url)) return null;
++        return { name, url, title: `At ${name}`.slice(0, 200) };
++    } catch { return null; }
++}
++
  function _wsRenderPanel() {
      const empty = document.getElementById('bc-ws-empty');
      const panel = document.getElementById('bc-ws-panel');
@@@ -197,6 +208,7 @@ function _wsRenderPanel() {
  
      const p = _wsState.profile;
      const isLive = _wsIsManagedStreamLive(ms.id);
++    const placeHandoff = isLive ? null : toursPlaceHandoff(window.location.search);
      const method = ms.streaming_method || 'browser';
      const streamKey = _wsState.streamKey || _wsState.streamKeyHint || '';
  
@@@ -296,7 +308,7 @@ function _wsRenderPanel() {
          <section class="gl-card${isBrowser ? ' is-browser' : ''}" aria-label="Your stream, ready to go live">
              <div class="gl-title-row">
                  <input type="text" id="bc-title" class="gl-title" aria-label="Title"
--                    value="${esc(ms.title || '')}"
++                    value="${esc(placeHandoff?.title || ms.title || '')}"
                      placeholder="What are you streaming?" maxlength="200"
                      oninput="_wsMarkDirty()">
                  <span id="bc-ws-save-status" class="bc-ws-save-status" role="status" aria-live="polite"></span>
@@@ -304,6 +316,7 @@ function _wsRenderPanel() {
                      <span aria-hidden="true">\u2728</span> Suggest
                  </button>
              </div>
++            ${placeHandoff ? `<p class="gl-place-handoff">From <a href="${esc(placeHandoff.url)}" rel="noopener">${esc(placeHandoff.name)} on OpenVibe.Tours</a>. Your stream will be linked to this place after you choose Go live.</p><input type="hidden" id="bc-place-name" value="${esc(placeHandoff.name)}"><input type="hidden" id="bc-place-url" value="${esc(placeHandoff.url)}">` : ''}
              <div class="gl-ideas" id="gl-ideas" role="group" aria-label="Title ideas" hidden></div>
              <div class="gl-chips">
                  <label class="gl-chip gl-chip--mature" title="Mature (18+): viewers confirm their age before the stream plays. The category is set automatically from what is on stream.">
ddiff --git a/public/js/broadcast.js b/public/js/broadcast.js
iindex f597befa..e5d07b82 100644
---- a/public/js/broadcast.js
++++ b/public/js/broadcast.js
@@@ -1564,12 +1564,21 @@ async function createNewStream() {
              body: {
                  title,
                  description,
++                place_name: document.getElementById('bc-place-name')?.value || null,
++                place_url: document.getElementById('bc-place-url')?.value || null,
                  protocol: method,
                  is_nsfw: document.getElementById('bc-nsfw')?.checked || false,
                  managed_stream_id: managedStreamId,
              }
          });
          const streamData = data.stream || data;
++        if (streamData?.place_url) {
++            try {
++                const next = new URL(window.location.href);
++                next.searchParams.delete('place'); next.searchParams.delete('place_url'); next.searchParams.delete('title');
++                history.replaceState(history.state, '', next.pathname + next.search + next.hash);
++            } catch { /* the stream is already created */ }
++        }
          _diagStreamId = streamData?.id;
  
          // Create per-stream state
ddiff --git a/server/db/database.js b/server/db/database.js
iindex b0e0c611..7e74cac5 100644
---- a/server/db/database.js
++++ b/server/db/database.js
@@@ -344,7 +344,7 @@ async function fireStreamLifecycle(kind, streamId) {
      try { await getDb().tx(() => streamLifecycleHook(kind, streamId)); } catch (err) { console.warn(`[Events] stream ${kind} event for ${streamId} not queued:`, err.message); }
  }
  
--async function createStream({ user_id, channel_id, managed_stream_id, title, description, category, protocol, is_nsfw, thumbnail_url, content_labels = null }) {
++async function createStream({ user_id, channel_id, managed_stream_id, title, description, category, protocol, is_nsfw, thumbnail_url, content_labels = null, place_name = null, place_url = null }) {
      return await getDb().tx(async () => {
          // The live session starts with the slot's creator labels; the AI's suggestions stay on the session.
          let labels = content_labels;
@@@ -354,9 +354,9 @@ async function createStream({ user_id, channel_id, managed_stream_id, title, des
          }
          const labelJson = typeof labels === 'string' ? labels : JSON.stringify(labels || { labels: [], suggested: [] });
          const result = await run(
--            `INSERT INTO streams (user_id, channel_id, managed_stream_id, title, description, category, protocol, is_nsfw, thumbnail_url, content_labels, is_live, started_at)
--             VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 1, ov_now()) RETURNING id`,
--            [user_id, channel_id || null, managed_stream_id || null, title || 'Untitled Stream', description || '', category || null, protocol || 'webrtc', is_nsfw ? 1 : 0, thumbnail_url || null, labelJson]
++            `INSERT INTO streams (user_id, channel_id, managed_stream_id, title, description, category, protocol, is_nsfw, thumbnail_url, content_labels, place_name, place_url, is_live, started_at)
++             VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 1, ov_now()) RETURNING id`,
++            [user_id, channel_id || null, managed_stream_id || null, title || 'Untitled Stream', description || '', category || null, protocol || 'webrtc', is_nsfw ? 1 : 0, thumbnail_url || null, labelJson, place_name, place_url]
          );
          await fireStreamLifecycle('started', result.lastInsertRowid);
          return result;
ddiff --git a/server/media-proxy/clips.js b/server/media-proxy/clips.js
iindex b62ab192..7fb892b0 100644
---- a/server/media-proxy/clips.js
++++ b/server/media-proxy/clips.js
@@@ -48,6 +48,13 @@ function mediaErr(res, err, fallback) {
  // the clipped channel's streamer (source_streamer_* via channel_user_id).
  async function withUserFields(clip) {
      if (!clip) return clip;
++    if (clip.stream_id) {
++        const source = await db.getStreamById(clip.stream_id).catch(() => null);
++        if (source?.place_url) {
++            clip.place_name = source.place_name;
++            clip.place_url = source.place_url;
++        }
++    }
      if (clip.user_id != null) {
          const u = await db.getUserById(clip.user_id);
          if (u) {
ddiff --git a/server/streaming/routes.js b/server/streaming/routes.js
iindex 6d40353a..ccdae64d 100644
---- a/server/streaming/routes.js
++++ b/server/streaming/routes.js
@@@ -2146,13 +2146,17 @@ router.post('/', requireAuth, async (req, res) => {
          const protocol = cleanProtocol(req.body.protocol);
          const tags = cleanTags(req.body.tags);
          const callMode = cleanCallMode(req.body.call_mode);
++        const placeName = cleanText(req.body.place_name, { maxLength: 120 });
++        const placeUrl = typeof req.body.place_url === 'string' ? req.body.place_url.trim() : '';
++        const placeLinkValid = !placeName && !placeUrl || Boolean(placeName && /^https:\/\/openvibe\.tours\/place\/[a-z0-9-]+-plc_[0-9A-HJKMNP-TV-Z]{26}$/.test(placeUrl));
  
          if ((hasOwn(req.body, 'title') && title === null)
              || (hasOwn(req.body, 'description') && description === null)
              || (hasOwn(req.body, 'category') && category === null)
              || (hasOwn(req.body, 'protocol') && protocol === null)
              || (hasOwn(req.body, 'tags') && tags === null)
--            || (hasOwn(req.body, 'call_mode') && callMode === null)) {
++            || (hasOwn(req.body, 'call_mode') && callMode === null)
++            || !placeLinkValid) {
              return res.status(400).json({ error: 'Invalid stream settings' });
          }
  
@@@ -2168,7 +2172,7 @@ router.post('/', requireAuth, async (req, res) => {
              const stream = await db.getStreamById(recent.id);
              return res.status(200).json({ stream, endpoint: goLiveEndpoint(stream, managedStream), reused: true });
          }
--        const creating = createGoLive(req, managedStream, { title, description, category, protocol, tags, callMode });
++        const creating = createGoLive(req, managedStream, { title, description, category, protocol, tags, callMode, placeName, placeUrl });
          _goLiveInFlight.set(managedStream.id, creating);
          try {
              const done = await creating;
@@@ -2183,7 +2187,7 @@ router.post('/', requireAuth, async (req, res) => {
  });
  
  /** Create the stream row and start its integrations (POST /api/streams). → { status, body } */
--async function createGoLive(req, managedStream, { title, description, category, protocol, tags, callMode }) {
++async function createGoLive(req, managedStream, { title, description, category, protocol, tags, callMode, placeName, placeUrl }) {
      const channel = await db.ensureChannel(req.user.id);
  
      // Streamer role promotion deferred — applied on first real feed ingest
@@@ -2202,6 +2206,8 @@ async function createGoLive(req, managedStream, { title, description, category,
          category: streamCategory,
          protocol: streamProtocol,
          is_nsfw: channel.force_nsfw ? 1 : (hasOwn(req.body, 'is_nsfw') ? cleanBooleanFlag(req.body.is_nsfw) : !!channel.is_nsfw),
++        place_name: placeName || null,
++        place_url: placeUrl || null,
      });
  
      const streamId = result.lastInsertRowid;
ddiff --git a/test/tours-place-handoff.test.js b/test/tours-place-handoff.test.js
nnew file mode 100644
iindex 00000000..5e1e7ee0
---- /dev/null
++++ b/test/tours-place-handoff.test.js
@@@ -0,0 +1,23 @@
++'use strict';
++const assert = require('node:assert/strict');
++const fs = require('node:fs');
++const path = require('node:path');
++
++const read = (name) => fs.readFileSync(path.join(__dirname, '..', name), 'utf8');
++const workspace = read('public/js/broadcast-workspace.js');
++const helper = workspace.match(/function toursPlaceHandoff\(search\) \{[\s\S]*?\n\}/)?.[0];
++assert.ok(helper, 'the studio accepts a Tours handoff');
++const handoff = new Function(`${helper}; return toursPlaceHandoff;`)();
++const url = 'https://openvibe.tours/place/kubota-garden-plc_0123456789ABCDEFGHJKMNPQRS';
++assert.deepEqual(handoff(`?place=Kubota+Garden&place_url=${encodeURIComponent(url)}`), {
++    name: 'Kubota Garden', url, title: 'At Kubota Garden',
++});
++assert.equal(handoff('?place=Kubota+Garden&place_url=https%3A%2F%2Fevil.example%2F'), null);
++assert.equal(handoff('?place=Kubota+Garden'), null);
++assert.match(workspace, /bc-place-name/);
++assert.match(workspace, /bc-place-url/);
++assert.match(read('public/js/broadcast.js'), /place_name: document\.getElementById\('bc-place-name'\)/);
++assert.match(read('server/streaming/routes.js'), /place_name: placeName \|\| null/);
++assert.match(read('server/db/database.js'), /place_name, place_url, is_live/);
++assert.match(read('server/media-proxy/clips.js'), /clip\.place_url = source\.place_url/);
++console.log('Tours place handoff: studio prefill, validated link, stream and clip metadata pass');