feat(static): build script — dist/<app>/ + manifest-only media tree, baked API JSON, _redirects

Run via 'python -m tools.build_static' (avoids tools/http.py shadowing stdlib http).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

tests/test_build_static.py

@@ -0,0 +1,50 @@
+import json
+
+from tools.build_static import build_static
+
+
+def test_build_emits_frontend_baked_json_and_only_referenced_media(tmp_path):
+    out = tmp_path / "dist"
+    media = tmp_path / "media"
+    result = build_static(
+        out, media,
+        media_base="https://static.benstull.art/",
+        app_path="/human-experience-simulator",
+    )
+    app_dir = out / "human-experience-simulator"
+
+    # frontend present under the app path; dev/author surfaces excluded
+    assert (app_dir / "index.html").exists()
+    assert (app_dir / "app.js").exists()
+    assert (app_dir / "scrub.js").exists()
+    assert (app_dir / "alteration.js").exists()
+    assert (app_dir / "config.js").exists()
+    assert not (app_dir / "author.html").exists()
+    assert not list(app_dir.glob("review*.html"))
+
+    # apex + no-slash redirect rules
+    redirects = (out / "_redirects").read_text()
+    assert "/  /human-experience-simulator/  308" in redirects
+    assert "/human-experience-simulator  /human-experience-simulator/  308" in redirects
+
+    # baked JSON matches the API shape
+    clips = json.loads((app_dir / "clips.json").read_text())
+    assert "clips" in clips and clips["clips"]
+    ring = json.loads((app_dir / "ring.json").read_text())
+    assert "scales" in ring and "transitions" in ring
+    assert all("audio" in s for s in ring["scales"])           # needed by client alteration
+    versions = json.loads((app_dir / "media-versions.json").read_text())
+    assert "versions" in versions
+
+    # config.js points at R2 + static mode
+    cfg = (app_dir / "config.js").read_text()
+    assert "https://static.benstull.art/" in cfg and "static: true" in cfg
+
+    # media tree holds ONLY referenced files — no masters/mezzanines
+    synced = {p.name for p in media.rglob("*.mp4")}
+    assert synced, "expected synced media"
+    assert not any(n in ("master.mp4", "mezzanine.mp4") for n in synced)
+    # every versioned file exists in the media tree
+    for f in versions["versions"]:
+        assert (media / f).exists(), f"missing synced media: {f}"
+    assert result["media_files"] == sum(1 for _ in media.rglob("*") if _.is_file())