scripts/seed_narratives.py · gabriel/musehub

("gabriel", "Marcus, this is interesting technically, but the 808 completely undermines the contrapuntal texture. Bach's counterpoint is meant to be heard as independent voices — the sub-bass collapses everything into a single bass layer."),

254

("marcus", "That's a fair point on voice independence, but listeners who'd never touch harpsichord music are discovering Bach through this. Isn't expanded reach worth a small compromise?"),

255

("pierre", "I have to side with Gabriel. Counterpoint is a living tradition, not a museum piece — but 808 trap beats are a fundamentally different aesthetic. The two don't coexist musically."),

256

("fatou", "Disagree. West African djembe tradition has always layered percussion over melodic lines. The idea that sub-bass destroys voice independence is a purely Western conservatory assumption."),

257

("chen", "The spectral argument is valid — 808s around 50 Hz produce intermodulation products that muddy mid-range clarity. You'd need a steep high-pass on the counterpoint lines to compensate."),

258

("aaliya", "Afrobeat composers have been layering bass-heavy production over complex polyphony for decades. This isn't a compromise — it's a new genre."),

259

("gabriel", "I hear you, Fatou and Aaliya, and I respect those traditions. But the *intent* of this repo is strict counterpoint study. If Marcus releases this as a fork-project, I'll follow it. Just not here."),

260

("marcus", "What if I bring the 808 down 12 dB and pitch it an octave below the bass line? It becomes sub-perceptual texture rather than a competing voice."),

261

("pierre", "Sub-perceptual by definition doesn't contribute musically. Why add it at all?"),

262

("fatou", "Because it's *felt*, not heard. That's the whole point of 808 production — physical resonance."),

263

("yuki", "From a granular synthesis perspective, the transient of an 808 kick is a broadband impulse that *does* interfere with upper partials. Chen's intermod point is technically accurate."),

264

("marcus", "Yuki, what if we high-pass the counterpoint tracks at 80 Hz? Each voice stays clean in its register."),

265

("chen", "An 80 Hz high-pass on a harpsichord loses the warmth of the lower-register strings. The instrument's character lives in 60-200 Hz."),

266

("aaliya", "I think the real disagreement is curatorial, not acoustic. Gabriel has a vision for this repo and the 808 doesn't fit it. The fork is the right call. Marcus should ship v1.0.0-trap from his fork."),

267

("gabriel", "Aaliya said it better than I could. Closing this PR — not because the idea is bad, but because it belongs in a different project. Marcus, please ship that fork. I'll be the first to star it."),

268

]

269

parent: str | None = None

270

for i, (author, body) in enumerate(pr_comment_thread):

271

cid = _uid(f"narr-pr-comment-bach-{i}")

272

db.add(MusehubPRComment(

273

comment_id=cid,

274

pr_id=pr_id,

275

repo_id=REPO_NEO_BAROQUE,

276

author=author,

277

body=body,

278

target_type="general",

279

parent_comment_id=parent if i > 0 else None,

280

created_at=_now(days=24 - i),

281

))

282

parent = cid if i == 0 else parent # thread from first comment

283

284

# Consolation release on the fork

285

db.add(MusehubRelease(

286

repo_id=REPO_NEO_BAROQUE_FORK,

287

tag="v1.0.0-trap",

288

title="Trap Baroque — v1.0.0",

289

body=(

290

"## v1.0.0-trap — Trap Baroque Fusion\n\n"

291

"The PR may have been closed, but the music lives here.\n\n"

292

"### What's in this release\n"

293

"- D minor counterpoint (Bach-style, 4 voices)\n"

294

"- 808 sub-bass following cantus firmus contour\n"

295

"- Hi-hat rolls between phrase endings\n"

296

"- High-pass at 80 Hz on harpsichord tracks\n\n"

297

"### Philosophy\n"

298

"Bach wrote for the instruments of his time. He'd have used 808s.\n\n"

299

"Thanks gabriel for the counterpoint foundation and for keeping it civil."

300

),

301

commit_id=_sha("narr-neo-baroque-fork-4"),

302

download_urls={

303

"midi_bundle": f"/releases/{REPO_NEO_BAROQUE_FORK}-v1.0.0-trap.zip",

304

"mp3": f"/releases/{REPO_NEO_BAROQUE_FORK}-v1.0.0-trap.mp3",

305

},

306

author="marcus",

307

created_at=_now(days=22),

308

))

309

310

print(" ✅ Scenario 1: Bach Remix War — 15-comment PR debate, trap release")

311

312

313

# ---------------------------------------------------------------------------

314

# Scenario 2 — Chopin+Coltrane (3-way merge)

315

# ---------------------------------------------------------------------------

316

317

async def _seed_chopin_coltrane(db: AsyncSession) -> None:

318

"""Chopin+Coltrane: pierre owns Nocturne Op.9 No.2 repo. yuki adds jazz

319

harmony, fatou adds Afro-Cuban rhythmic reinterpretation. A 3-way merge

320

conflict arises — yuki's chord voicings clash with fatou's rhythm track.

321

20-comment resolution debate. Joint authorship merge commit. Jazz release.

322

"""

323

db.add(MusehubRepo(

324

repo_id=REPO_NOCTURNE,

325

name="Nocturne Op.9 No.2",

326

owner="pierre",

327

slug="nocturne-op9-no2",

328

owner_user_id=PIERRE,

329

visibility="public",

330

description="Chopin's Nocturne Op.9 No.2 — reimagined as a jazz fusion triptych.",

331

tags=["Chopin", "Coltrane", "nocturne", "jazz", "fusion", "piano"],

332

key_signature="Eb major",

333

tempo_bpm=66,

334

created_at=_now(days=55),

))

await db.flush()

# Original commits by pierre

339

nocturne_base: list[dict[str, Any]] = [

340

dict(message="init: Eb major nocturne skeleton — cantilena melody", author="pierre", days=55),

341

dict(message="feat(piano): ornamental triplets in RH — bars 1-4", author="pierre", days=53),

342

dict(message="feat(piano): LH arpeggiated accompaniment — 6/4 feel", author="pierre", days=51),

343

dict(message="feat(cello): added cello doubling melody in lower 8va", author="pierre", days=49),

344

]

345

prev: str | None = None

346

for i, c in enumerate(nocturne_base):

347

cid = _sha(f"narr-nocturne-main-{i}")

348

db.add(MusehubCommit(

349

commit_id=cid,

350

repo_id=REPO_NOCTURNE,

351

branch="main",

352

parent_ids=[prev] if prev else [],

353

message=c["message"],

354

author=c["author"],

355

timestamp=_now(days=c["days"]),

356

snapshot_id=_sha(f"snap-narr-nocturne-{i}"),

357

))

358

prev = cid

359

base_commit = _sha("narr-nocturne-main-3")

360

361

# yuki's jazz harmony branch

362

yuki_commits: list[dict[str, Any]] = [

363

dict(message="feat(harmony): Coltrane substitutions — ii-V-I into Eb7#11", author="yuki", days=45),

364

dict(message="feat(piano): quartal voicings over Chopin melody — McCoy Tyner style", author="yuki", days=44),

365

dict(message="feat(harmony): tritone sub on bar 4 turnaround — A7 → Eb7", author="yuki", days=43),

366

]

367

yuki_prev = base_commit

368

for i, c in enumerate(yuki_commits):

369

cid = _sha(f"narr-nocturne-yuki-{i}")

370

db.add(MusehubCommit(

371

commit_id=cid,

372

repo_id=REPO_NOCTURNE,

373

branch="feat/coltrane-harmony",

374

parent_ids=[yuki_prev],

375

message=c["message"],

376

author=c["author"],

377

timestamp=_now(days=c["days"]),

378

snapshot_id=_sha(f"snap-narr-nocturne-yuki-{i}"),

379

))

380

yuki_prev = cid

381

yuki_head = _sha("narr-nocturne-yuki-2")

382

383

# fatou's rhythm branch

384

fatou_commits: list[dict[str, Any]] = [

385

dict(message="feat(percussion): Afro-Cuban clave pattern under nocturne", author="fatou", days=45),

386

dict(message="feat(bass): Fender bass line — Afrobeat bass register", author="fatou", days=44),

387

dict(message="feat(percussion): bata drum call-and-response in bridge", author="fatou", days=43),

388

]

389

fatou_prev = base_commit

390

for i, c in enumerate(fatou_commits):

391

cid = _sha(f"narr-nocturne-fatou-{i}")

392

db.add(MusehubCommit(

393

commit_id=cid,

394

repo_id=REPO_NOCTURNE,

395

branch="feat/afro-rhythm",

396

parent_ids=[fatou_prev],

397

message=c["message"],

398

author=c["author"],

399

timestamp=_now(days=c["days"]),

400

snapshot_id=_sha(f"snap-narr-nocturne-fatou-{i}"),

401

))

402

fatou_prev = cid

403

fatou_head = _sha("narr-nocturne-fatou-2")

404

405

# Branches

406

db.add(MusehubBranch(repo_id=REPO_NOCTURNE, name="main", head_commit_id=base_commit))

407

db.add(MusehubBranch(repo_id=REPO_NOCTURNE, name="feat/coltrane-harmony", head_commit_id=yuki_head))

408

db.add(MusehubBranch(repo_id=REPO_NOCTURNE, name="feat/afro-rhythm", head_commit_id=fatou_head))

409

410

# PRs — both open, conflict in piano.mid

411

pr_yuki_id = _uid("narr-pr-nocturne-yuki")

412

pr_fatou_id = _uid("narr-pr-nocturne-fatou")

413

414

db.add(MusehubPullRequest(

415

pr_id=pr_yuki_id,

416

repo_id=REPO_NOCTURNE,

417

title="Feat: Coltrane jazz harmony layer — quartal voicings + subs",

418

body=(

419

"Layers Coltrane-inspired reharmonisation beneath Chopin's cantilena.\n\n"

420

"Key changes:\n"

421

"- Piano voicings → quartal stacks (McCoy Tyner style)\n"

422

"- Tritone sub on bar 4 turnaround\n"

423

"- ii-V-I substitution into Eb7#11\n\n"

424

"⚠️ Conflict with feat/afro-rhythm on `tracks/piano.mid` — "

425

"both branches modified the piano track. Needs resolution discussion."

426

),

427

state="merged",

428

from_branch="feat/coltrane-harmony",

429

to_branch="main",

430

merge_commit_id=_sha("narr-nocturne-merge"),

431

merged_at=_now(days=38),

432

author="yuki",

433

created_at=_now(days=42),

434

))

435

436

db.add(MusehubPullRequest(

437

pr_id=pr_fatou_id,

438

repo_id=REPO_NOCTURNE,

439

title="Feat: Afro-Cuban rhythmic reinterpretation — clave + bata",

440

body=(

441

"Adds Afro-Cuban percussion and bass under the nocturne.\n\n"

442

"Key changes:\n"

443

"- Clave pattern (3-2 son clave) under Chopin melody\n"

444

"- Fender bass groove following harmonic rhythm\n"

445

"- Bata drum call-and-response in bridge section\n\n"

446

"⚠️ Conflict with feat/coltrane-harmony on `tracks/piano.mid` — "

447

"we both touch the piano accompaniment register."

448

),

449

state="merged",

450

from_branch="feat/afro-rhythm",

451

to_branch="main",

452

merge_commit_id=_sha("narr-nocturne-merge"),

453

merged_at=_now(days=38),

454

author="fatou",

455

created_at=_now(days=42),

456

))

457

458

# Merge commit (joint authorship)

459

db.add(MusehubCommit(

460

commit_id=_sha("narr-nocturne-merge"),

461

repo_id=REPO_NOCTURNE,

462

branch="main",

463

parent_ids=[yuki_head, fatou_head],

464

message=(

465

"merge: resolve piano.mid conflict — quartal voicings + clave coexist\n\n"

466

"Co-authored-by: yuki <yuki@muse.app>\n"

467

"Co-authored-by: fatou <fatou@muse.app>\n\n"

468

"Resolution: yuki's quartal voicings moved to octave above middle C, "

469

"fatou's bass register kept below C3. No spectral overlap."

470

),

471

author="pierre",

472

timestamp=_now(days=38),

473

snapshot_id=_sha("snap-narr-nocturne-merge"),

474

))

475

476

# 20-comment resolution debate (on yuki's PR as the primary thread)

477

resolution_debate: list[tuple[str, str]] = [

478

("pierre", "Both PRs touch `tracks/piano.mid`. We have a conflict. Let's figure out the musical resolution before forcing a merge."),

479

("yuki", "My quartal voicings sit in the mid-register piano — bar 2, beats 1-3. Fatou, where exactly does your bass line land?"),

480

("fatou", "Fender bass is C2-E3. The clave lives on a separate track. The conflict is actually just the piano LH accompaniment — I moved the arpeggios to staccato comping."),

481

("yuki", "Staccato comping could work. But if you changed the LH *rhythm*, my tritone sub on bar 4 might clash harmonically — I'm expecting the 6/4 swing from pierre's original."),

482

("pierre", "Fatou, can you share the specific beats you're hitting on the piano comping?"),

483

("fatou", "Beats 1, 2.5, 3.5 — anticipating the clave pattern. Think of it as the piano agreeing with the clave rather than fighting it."),

484

("yuki", "That's actually beautiful. My Coltrane sub lands on beat 4 — we don't collide at all if your comping leaves beat 4 open."),

485

("fatou", "I can leave beat 4 open. That gives your tritone sub space to breathe."),

486

("pierre", "I'm starting to hear this. The piano is playing two roles at once — jazz harmony AND Afro-Cuban accompaniment. That's the whole concept of the piece."),

487

("aaliya", "Following this thread and I love where it's going. Chopin's nocturne melody stays pure, but underneath it's having a conversation between two entirely different rhythmic traditions."),

488

("yuki", "Pierre, are you comfortable with us both modifying your LH part? I want to make sure the cantilena stays yours."),

489

("pierre", "The melody is the nocturne. The accompaniment can transform. Bach's continuo players improvised freely — this is the same spirit."),

490

("fatou", "That's a beautiful way to frame it. OK — I'll rebase onto yuki's branch, adjust my piano comping to leave beat 4 open, and we resolve the conflict manually."),

491

("yuki", "Perfect. I'll pull fatou's rhythm track as-is and just make sure my voicings don't occupy the bass register below C3."),

492

("pierre", "This is what open-source composition should look like. Three people, two traditions, one piece of music."),

493

("sofia", "I've been watching this. The resolution you've found is genuinely innovative — quartal jazz harmony + clave + Chopin cantilena. That's a new genre."),

494

("yuki", "sofia — we're calling it 'Nocturn-é' for now. A nocturne that refuses to stay in one century."),

495

("fatou", "I added a comment to the merge commit explaining the register split. pierre, can you do the final merge? Joint authorship commit."),

496

("pierre", "Done. Merged with joint authorship. Both of you are credited in the commit message. Release coming."),

497

("aaliya", "🔥 This is the most interesting thing on MuseHub right now."),

498

]

499

pr_parent: str | None = None

500

for i, comment in enumerate(resolution_debate):

501

author, body = comment

502

cid = _uid(f"narr-pr-comment-nocturne-{i}")

503

db.add(MusehubPRComment(

504

comment_id=cid,

505

pr_id=pr_yuki_id,

506

repo_id=REPO_NOCTURNE,

507

author=author,

508

body=body,

509

target_type="general",

510

parent_comment_id=None,

511

created_at=_now(days=42 - i // 2),

))

# Release

db.add(MusehubRelease(

516

repo_id=REPO_NOCTURNE,

517

tag="v1.0.0",

518

title="Nocturne Op.9 No.2 (Jazz Edition)",

519

body=(

520

"## Nocturne Op.9 No.2 (Jazz Edition) — v1.0.0\n\n"

521

"Chopin meets Coltrane, mediated by Afro-Cuban rhythm.\n\n"

522

"### Musicians\n"

523

"- **pierre** — Chopin melody (cantilena), piano LH framework\n"

524

"- **yuki** — Jazz harmony (Coltrane substitutions, quartal voicings)\n"

525

"- **fatou** — Afro-Cuban rhythm (clave, bata, Fender bass)\n\n"

526

"### Technical resolution\n"

527

"3-way merge conflict resolved by register split: "

528

"yuki's voicings above C4, fatou's bass below C3, beat 4 left open "

529

"for the tritone substitution.\n\n"

530

"### Downloads\nMIDI bundle, MP3 stereo mix, stems by instrument family"

531

),

532

commit_id=_sha("narr-nocturne-merge"),

533

download_urls={

534

"midi_bundle": f"/releases/{REPO_NOCTURNE}-v1.0.0.zip",

535

"mp3": f"/releases/{REPO_NOCTURNE}-v1.0.0.mp3",

536

"stems": f"/releases/{REPO_NOCTURNE}-v1.0.0-stems.zip",

537

},

538

author="pierre",

539

created_at=_now(days=37),

540

))

541

542

print(" ✅ Scenario 2: Chopin+Coltrane — 20-comment 3-way merge resolution, jazz release")

543

544

545

# ---------------------------------------------------------------------------

546

# Scenario 3 — Ragtime EDM Collab

547

# ---------------------------------------------------------------------------

548

549

async def _seed_ragtime_edm(db: AsyncSession) -> None:

550

"""Ragtime EDM Collab: marcus, fatou, aaliya co-author a ragtime-EDM fusion.

551

8 commits across 3 participants. fatou's polyrhythm commit gets 🔥👏😢 reactions.

552

'Maple Leaf Drops' release.

553

"""

554

db.add(MusehubRepo(

555

repo_id=REPO_RAGTIME_EDM,

556

name="Maple Leaf Drops",

557

owner="marcus",

558

slug="maple-leaf-drops",

559

owner_user_id=MARCUS,

560

visibility="public",

561

description="Joplin meets Berghain. Ragtime piano structures over 4/4 techno pulse.",

562

tags=["ragtime", "EDM", "Joplin", "techno", "fusion", "piano"],

563

key_signature="Ab major",

564

tempo_bpm=130,

565

created_at=_now(days=40),

))

await db.flush()

# 8 commits, 3 authors

570

ragtime_commits: list[dict[str, Any]] = [

571

dict(message="init: Maple Leaf Rag skeleton at 130 BPM — piano only", author="marcus", days=40),

572

dict(message="feat(synth): techno bass pulse — four-on-the-floor under ragtime", author="marcus", days=38),

573

dict(message="feat(drums): 909 kick + clap replacing ragtime march snare", author="aaliya", days=36),

574

dict(message="feat(piano): Joplin B section — 4-bar strain over synth bass", author="marcus", days=34),

575

dict(message="feat(perc): West African polyrhythm layer — fatou's surprise", author="fatou", days=32),

576

dict(message="feat(synth): acid 303 line weaving through ragtime changes", author="aaliya", days=30),

577

dict(message="refactor(drums): sidechained kick — duck the piano on beat 1", author="marcus", days=28),

578

dict(message="feat(breakdown): 8-bar ragtime-only breakdown before drop", author="fatou", days=26),

579

]

580

prev_cid: str | None = None

581

for i, c in enumerate(ragtime_commits):

582

cid = _sha(f"narr-ragtime-{i}")

583

db.add(MusehubCommit(

584

commit_id=cid,

585

repo_id=REPO_RAGTIME_EDM,

586

branch="main",

587

parent_ids=[prev_cid] if prev_cid else [],

588

message=c["message"],

589

author=c["author"],

590

timestamp=_now(days=c["days"]),

591

snapshot_id=_sha(f"snap-narr-ragtime-{i}"),

))

prev_cid = cid

db.add(MusehubBranch(

596

repo_id=REPO_RAGTIME_EDM,

597

name="main",

598

head_commit_id=_sha("narr-ragtime-7"),

599

))

600

601

# Session — 3-participant collab

602

db.add(MusehubSession(

603

session_id=_uid("narr-session-ragtime-1"),

604

repo_id=REPO_RAGTIME_EDM,

605

started_at=_now(days=40),

606

ended_at=_now(days=40, hours=-4),

607

participants=["marcus", "fatou", "aaliya"],

608

location="Electric Lady Studios (remote async)",

609

intent="Ragtime EDM fusion — lay down the structural skeleton",

610

commits=[_sha("narr-ragtime-0"), _sha("narr-ragtime-1")],

611

notes="Decided on 130 BPM — fast enough for floor, slow enough for ragtime syncopation.",

612

is_active=False,

613

created_at=_now(days=40),

614

))

615

db.add(MusehubSession(

616

session_id=_uid("narr-session-ragtime-2"),

617

repo_id=REPO_RAGTIME_EDM,

618

started_at=_now(days=32),

619

ended_at=_now(days=32, hours=-5),

620

participants=["marcus", "fatou", "aaliya"],

621

location="Remote",

622

intent="fatou's polyrhythm layer + aaliya's acid line",

623

commits=[

624

_sha("narr-ragtime-4"),

625

_sha("narr-ragtime-5"),

626

_sha("narr-ragtime-6"),

627

],

628

notes="fatou's polyrhythm commit caused spontaneous celebration in the call.",

629

is_active=False,

630

created_at=_now(days=32),

631

))

632

633

# Reactions on fatou's polyrhythm commit (commit index 4)

634

fatou_commit_id = _sha("narr-ragtime-4")

fatou_reactions = [

(MARCUS, "🔥"),

(AALIYA, "🔥"),

(GABRIEL, "🔥"),

(SOFIA, "🔥"),

(MARCUS, "👏"),

(AALIYA, "👏"),

(YUKI, "👏"),

(PIERRE, "👏"),

(CHEN, "😢"), # chen weeps for the death of pure ragtime

645

(FATOU, "😢"), # fatou weeps tears of joy

646

]

647

for user_id, emoji in fatou_reactions:

648

try:

649

db.add(MusehubReaction(

650

reaction_id=_uid(f"narr-reaction-ragtime-{fatou_commit_id[:8]}-{user_id}-{emoji}"),

651

repo_id=REPO_RAGTIME_EDM,

652

target_type="commit",

653

target_id=fatou_commit_id,

654

user_id=user_id,

655

emoji=emoji,

656

created_at=_now(days=32),

))

except Exception:

pass

# Comments on fatou's commit

662

fatou_comments: list[tuple[str, str]] = [

663

("marcus", "Fatou WHAT. I was not expecting this. This is everything."),

664

("aaliya", "This polyrhythm layer turns the whole track into something else entirely. Ragtime was just the scaffolding — this is the music."),

665

("gabriel", "The way the West African pattern locks into the ragtime's inherent syncopation is... I need to sit with this."),

666

("yuki", "The spectral relationship between the 130 BPM techno grid and the polyrhythm's implied triple meter creates a beautiful tension. I hear 3-against-4 every 8 bars."),

667

("chen", "For the record — I think this might be too much. Joplin's architecture is already polyrhythmic. Adding another layer might obscure rather than enhance. (Still reacting with 😢 because I'm moved either way.)"),

668

("fatou", "Chen — fair criticism. The polyrhythm is deliberately *in front* of the mix here. I can pull it back -4 dB in the final mix so it's felt rather than heard."),

669

]

670

for i, (author, body) in enumerate(fatou_comments):

671

db.add(MusehubComment(

672

comment_id=_uid(f"narr-comment-ragtime-fatou-{i}"),

673

repo_id=REPO_RAGTIME_EDM,

674

target_type="commit",

675

target_id=fatou_commit_id,

676

author=author,

677

body=body,

678

created_at=_now(days=32, hours=-i),

))

# Release

db.add(MusehubRelease(

683

repo_id=REPO_RAGTIME_EDM,

684

tag="v1.0.0",

685

title="Maple Leaf Drops",

686

body=(

687

"## Maple Leaf Drops — v1.0.0\n\n"

688

"Scott Joplin didn't live to see techno. We fixed that.\n\n"

689

"### Musicians\n"

690

"- **marcus** — Piano (Joplin arrangements), production, 909 drums\n"

691

"- **fatou** — West African polyrhythm layer, breakdown arrangement\n"

692

"- **aaliya** — Acid 303 line, 909 arrangement, sidechain design\n\n"

693

"### Highlights\n"

694

"- Joplin's Maple Leaf Rag chord structures at 130 BPM\n"

695

"- 4-on-the-floor kick beneath Joplin's inherent 3-against-4\n"

696

"- fatou's polyrhythm layer — the spiritual centre of the track\n"

697

"- 8-bar ragtime-only breakdown before the final drop\n\n"

698

"### Formats\nMIDI bundle, MP3 club master (-1 LUFS), stems"

699

),

700

commit_id=_sha("narr-ragtime-7"),

701

download_urls={

702

"midi_bundle": f"/releases/{REPO_RAGTIME_EDM}-v1.0.0.zip",

703

"mp3": f"/releases/{REPO_RAGTIME_EDM}-v1.0.0.mp3",

704

"stems": f"/releases/{REPO_RAGTIME_EDM}-v1.0.0-stems.zip",

705

},

706

author="marcus",

707

created_at=_now(days=24),

708

))

709

710

print(" ✅ Scenario 3: Ragtime EDM Collab — 8 commits, fire reactions, Maple Leaf Drops release")

711

712

713

# ---------------------------------------------------------------------------

714

# Scenario 4 — Community Chaos

715

# ---------------------------------------------------------------------------

716

717

async def _seed_community_chaos(db: AsyncSession) -> None:

718

"""Community Chaos: 5 simultaneous open PRs on 'community-jam', a 25-comment

719

key signature debate on a central issue, 3 PRs in conflict state, and a

720

milestone at 70% completion.

721

"""

722

db.add(MusehubRepo(

723

repo_id=REPO_COMMUNITY_JAM,

724

name="Community Jam Vol. 1",

725

owner="gabriel",

726

slug="community-jam-vol-1",

727

owner_user_id=GABRIEL,

728

visibility="public",

729

description="Open contribution jam — everyone adds something. Organised chaos.",

730

tags=["community", "collab", "open", "jam", "experimental"],

731

key_signature="C major", # the disputed key

732

tempo_bpm=95,

733

created_at=_now(days=50),

))

await db.flush()

# Base commits

base_commits: list[dict[str, Any]] = [

739

dict(message="init: community jam template — C major at 95 BPM", author="gabriel", days=50),

740

dict(message="feat(piano): opening vamp — community starting point", author="gabriel", days=48),

741

dict(message="feat(bass): walking bass line — open for all to build on", author="marcus", days=46),

742

dict(message="feat(drums): groove template — pocket at 95 BPM", author="fatou", days=44),

743

]

744

jam_prev: str | None = None

745

for i, c in enumerate(base_commits):

746

cid = _sha(f"narr-community-{i}")

747

db.add(MusehubCommit(

748

commit_id=cid,

749

repo_id=REPO_COMMUNITY_JAM,

750

branch="main",

751

parent_ids=[jam_prev] if jam_prev else [],

752

message=c["message"],

753

author=c["author"],

754

timestamp=_now(days=c["days"]),

755

snapshot_id=_sha(f"snap-narr-community-{i}"),

756

))

757

jam_prev = cid

758

db.add(MusehubBranch(

759

repo_id=REPO_COMMUNITY_JAM,

760

name="main",

761

head_commit_id=_sha("narr-community-3"),

762

))

763

764

# 5 simultaneous open PRs

765

pr_configs: list[dict[str, Any]] = [

766

dict(n=0, title="Feat: modulate to A minor — more emotional depth",

767

body="C major is too bright for this jam. Relative minor gives it soul.",

768

author="yuki", branch="feat/a-minor-modal"),

769

dict(n=1, title="Feat: add jazz reharmonisation — ii-V-I substitutions",

770

body="The vamp needs harmonic movement. Jazz subs every 4 bars.",

771

author="marcus", branch="feat/jazz-reharmony"),

772

dict(n=2, title="Feat: Afrobeat key shift — G major groove",

773

body="G major sits better with the highlife guitar pattern I'm adding.",

774

author="aaliya", branch="feat/g-major-afrobeat"),

775

dict(n=3, title="Feat: microtonal drift — 31-TET temperament",

776

body="C major in equal temperament is compromised. 31-TET gives pure intervals.",

777

author="chen", branch="feat/31-tet"),

778

dict(n=4, title="Feat: stay in C major — add pedal point for tension",

779

body="The key is fine. Add a B pedal under the vamp for maximum dissonance.",

780

author="pierre", branch="feat/c-pedal-point"),

781

]

782

pr_ids: list[str] = []

783

for pc in pr_configs:

784

pr_id = _uid(f"narr-community-pr-{pc['n']}")

785

pr_ids.append(pr_id)

786

# PRs 1, 2, 3 are in conflict

787

db.add(MusehubPullRequest(

788

pr_id=pr_id,

789

repo_id=REPO_COMMUNITY_JAM,

790

title=pc["title"],

791

body=pc["body"] + (

792

"\n\n⚠️ **CONFLICT**: Multiple PRs modify `tracks/piano.mid` and "

793

"`tracks/bass.mid`. Needs key signature resolution before merge."

794

if pc["n"] in (1, 2, 3) else ""

795

),

796

state="open",

797

from_branch=pc["branch"],

798

to_branch="main",

799

author=pc["author"],

800

created_at=_now(days=40 - pc["n"] * 2),

801

))

802

803

# The key signature debate issue (25 comments)

804

key_debate_issue_id = _uid("narr-community-issue-key-sig")

805

db.add(MusehubIssue(

806

issue_id=key_debate_issue_id,

807

repo_id=REPO_COMMUNITY_JAM,

808

number=1,

809

title="[DEBATE] Which key should Community Jam Vol. 1 be in?",

810

body=(

811

"We have 5 open PRs proposing 5 different keys. "

812

"This issue is the canonical place to resolve it. "

813

"Please make your case. Voting closes when we reach consensus or "

814

"gabriel makes a unilateral decision.\n\n"

815

"Current proposals:\n"

816

"- C major (original)\n"

817

"- A minor (relative minor)\n"

818

"- G major (Afrobeat fit)\n"

819

"- 31-TET C major (microtonal)\n"

820

"- C major + B pedal (stay, add tension)\n\n"

"Make. Your. Case."

),

state="open",

labels=["key-signature", "debate", "community", "blocker"],

825

author="gabriel",

826

created_at=_now(days=38),

827

))

828

829

# 25-comment key signature debate

830

key_debate: list[tuple[str, str]] = [

831

("gabriel", "I opened C major as a neutral starting point — maximum accessibility. But I'm genuinely open to being overruled."),

832

("yuki", "C major is a compositional blank slate — it's fine for exercises but emotionally empty. A minor gives us minor seconds, tritones, modal possibilities."),

833

("marcus", "A minor is fine but the walking bass I wrote assumes C major changes. Any key shift means rewriting the bass line."),

834

("aaliya", "G major suits the highlife pattern I'm adding. The guitar's open G string rings sympathetically with the root. It's not just theory — it's physics."),

835

("chen", "Can we pause and acknowledge that 'key' in equal temperament is already a compromise? 31-TET gives us pure major thirds (386 cents vs 400 cents ET). The difference is audible."),

836

("pierre", "Chen, I respect the microtonal argument but this is a community jam, not a tuning experiment. Most contributors can't work in 31-TET."),

837

("chen", "That's a valid practical constraint. I'll withdraw 31-TET if we at least acknowledge it as the theoretically superior option."),

838

("fatou", "Practically speaking — I've been writing drums. Drums don't care what key you're in. But the bass line does. Marcus, can you adapt the walking bass to G major?"),

839

("marcus", "Walking bass in G major works. But then yuki's jazz subs don't resolve correctly — they're written for C major ii-V-I."),

840

("yuki", "My jazz subs work in any key if you transpose. The *structure* is the same. But I'd need to redo the voice leading."),

841

("aaliya", "This is the problem — every key choice benefits some contributors and costs others. We need a decision principle, not a debate."),

842

("gabriel", "Decision principle: the key that requires the least total rework across all active PRs. Can everyone estimate their rework in hours?"),

843

("marcus", "C major → no rework. G major → 2 hours. A minor → 1 hour."),

844

("yuki", "C major → no rework (jazz subs already written). A minor → 30 min transpose. G major → 1 hour."),

845

("aaliya", "C major → 3 hours (re-record guitar in sympathetic key). G major → 0 rework. A minor → 2 hours."),

846

("chen", "C major → 0 rework (I'm withdrawing 31-TET). G major → 0 rework (I have no key-specific content yet)."),

847

("pierre", "C major → 0. G major → 1 hour. A minor → 30 min."),

848

("fatou", "C major → 0. G major → 0. A minor → 0."),

849

("gabriel", "Total rework: C major = 3h, G major = 3h, A minor = 4h. It's a tie between C and G."),

850

("aaliya", "Then G major wins on musical grounds — it gives the Afrobeat guitar its natural resonance AND ties with C on total effort."),

851

("marcus", "I'll support G major if we accept that the walking bass rewrite is part of the scope."),

852

("yuki", "G major. Fine. I'll transpose my jazz subs tonight."),

853

("pierre", "G major it is. Though I still think the B pedal idea works better in C. I'll adapt."),

854

("chen", "G major. I'll note for the record that G major in 31-TET is 19 steps of the 31-tone octave. Just saying."),

855

("gabriel", "We have consensus: G major, 95 BPM. Aaliya's PR (#3) is the base. All other PRs should rebase onto her branch. Closing the debate. Thanks everyone — this is what community composition looks like."),

856

]

857

issue_parent: str | None = None

858

for i, comment in enumerate(key_debate):

859

author, body = comment

860

cid = _uid(f"narr-community-debate-{i}")

861

db.add(MusehubIssueComment(

862

comment_id=cid,

863

issue_id=key_debate_issue_id,

864

repo_id=REPO_COMMUNITY_JAM,

author=author,

body=body,

parent_id=None,

musical_refs=[],

created_at=_now(days=38 - i // 2),

870

))

871

872

# Milestone at 70% completion (14/20 tasks done)

873

milestone_id = _uid("narr-community-milestone-1")

874

db.add(MusehubMilestone(

875

milestone_id=milestone_id,

876

repo_id=REPO_COMMUNITY_JAM,

877

number=1,

878

title="Community Jam Vol. 1 — Full Release",

879

description="All tracks recorded, key signature resolved, final mix complete.",

880

state="open",

881

author="gabriel",

882

due_on=_now(days=-14), # 2 weeks from now

883

created_at=_now(days=50),

884

))

885

886

# Issues tracking milestone tasks (14 closed = 70%, 6 open = 30%)

887

milestone_tasks: list[dict[str, Any]] = [

888

# Closed (done)

889

dict(n=2, title="Set tempo at 95 BPM", state="closed", labels=["done"]),

890

dict(n=3, title="Piano vamp template", state="closed", labels=["done"]),

891

dict(n=4, title="Walking bass template", state="closed", labels=["done"]),

892

dict(n=5, title="Drums groove template", state="closed", labels=["done"]),

893

dict(n=6, title="Define song structure (AABA)", state="closed", labels=["done"]),

894

dict(n=7, title="Record piano intro 4 bars", state="closed", labels=["done"]),

895

dict(n=8, title="Record piano A section", state="closed", labels=["done"]),

896

dict(n=9, title="Record piano B section", state="closed", labels=["done"]),

897

dict(n=10, title="Record piano outro", state="closed", labels=["done"]),

898

dict(n=11, title="Drum arrangement complete", state="closed", labels=["done"]),

899

dict(n=12, title="Bass line complete", state="closed", labels=["done"]),

900

dict(n=13, title="Afrobeat guitar layer", state="closed", labels=["done"]),

901

dict(n=14, title="Acid 303 layer", state="closed", labels=["done"]),

902

dict(n=15, title="Resolve key signature debate", state="closed", labels=["done"]),

903

# Open (30% remaining)

904

dict(n=16, title="Rebase all PRs onto G major", state="open", labels=["blocked"]),

905

dict(n=17, title="Jazz reharmonisation (yuki)", state="open", labels=["in-progress"]),

906

dict(n=18, title="Microtonal spice layer (chen)", state="open", labels=["in-progress"]),

907

dict(n=19, title="Final mix and master", state="open", labels=["todo"]),

908

dict(n=20, title="Release v1.0.0", state="open", labels=["todo"]),

909

dict(n=21, title="Write liner notes", state="open", labels=["todo"]),

910

]

911

for task in milestone_tasks:

912

db.add(MusehubIssue(

913

repo_id=REPO_COMMUNITY_JAM,

914

number=task["n"],

915

title=task["title"],

916

body=f"Milestone task: {task['title']}",

917

state=task["state"],

918

labels=task["labels"],

919

author="gabriel",

920

milestone_id=milestone_id,

921

created_at=_now(days=50 - task["n"]),

922

))

923

924

print(" ✅ Scenario 4: Community Chaos — 5 open PRs, 25-comment debate, 70% milestone")

925

926

927

# ---------------------------------------------------------------------------

928

# Scenario 5 — Goldberg Milestone

929

# ---------------------------------------------------------------------------

930

931

async def _seed_goldberg_milestone(db: AsyncSession) -> None:

932

"""Goldberg Milestone: gabriel's 30-variation Goldberg project. 28/30 done.

933

Variation 25 has an 18-comment debate (slow vs fast). Variation 29 PR

934

with yuki requesting 'more ornamentation'.

935

"""

936

db.add(MusehubRepo(

937

repo_id=REPO_GOLDBERG,

938

name="Goldberg Variations (Complete)",

939

owner="gabriel",

940

slug="goldberg-variations",

941

owner_user_id=GABRIEL,

942

visibility="public",

943

description=(

944

"Bach's Goldberg Variations — all 30. "

945

"Aria + 30 variations + Aria da capo. "

946

"Each variation is a separate branch, PR, and closed issue."

947

),

948

tags=["Bach", "Goldberg", "variations", "harpsichord", "G major", "classical"],

949

key_signature="G major",

950

tempo_bpm=80,

951

created_at=_now(days=120),

))

await db.flush()

# Base commit — the Aria

956

db.add(MusehubCommit(

957

commit_id=_sha("narr-goldberg-aria"),

958

repo_id=REPO_GOLDBERG,

959

branch="main",

960

parent_ids=[],

961

message="init: Aria — G major sarabande, 32-bar binary form",

962

author="gabriel",

963

timestamp=_now(days=120),

964

snapshot_id=_sha("snap-narr-goldberg-aria"),

965

))

966

db.add(MusehubBranch(

967

repo_id=REPO_GOLDBERG,

968

name="main",

969

head_commit_id=_sha("narr-goldberg-aria"),

970

))

971

972

# Milestone for all 30 variations

973

milestone_id = _uid("narr-goldberg-milestone-30")

974

db.add(MusehubMilestone(

975

milestone_id=milestone_id,

976

repo_id=REPO_GOLDBERG,

977

number=1,

978

title="All 30 Variations Complete",

979

description=(

980

"Track progress through all 30 Goldberg variations. "

981

"Each variation gets its own issue, branch, commits, and PR. "

"28/30 complete."

),

state="open",

author="gabriel",

due_on=_now(days=-30),

987

created_at=_now(days=120),

988

))

989

990

# 28 closed variation issues + Var 25 issue with 18-comment debate

991

# + Var 29 issue (open) + Var 30 issue (open)

992

variation_metadata: dict[int, dict[str, str]] = {

993

1: dict(style="canon at the octave", key="G major", character="simple two-voice canon"),

994

2: dict(style="free composition", key="G major", character="crisp toccata-like passages"),

995

3: dict(style="canon at the ninth", key="G major", character="flowing melodic lines"),

996

4: dict(style="passepied", key="G major", character="brisk dance feel"),

997

5: dict(style="free with hand-crossing", key="G major", character="brilliant hand-crossing"),

998

6: dict(style="canon at the seventh", key="G major", character="lyrical canon"),

999

7: dict(style="gigue", key="G major", character="jig rhythm, 6/8"),

1000

8: dict(style="free with hand-crossing", key="G major", character="energetic, sparkling"),

1001

9: dict(style="canon at the fifth", key="E minor", character="tender, intimate"),

1002

10: dict(style="fughetta", key="G major", character="four-voice fugue sketch"),

1003

11: dict(style="free with hand-crossing", key="G major", character="rapid hand-crossing"),

1004

12: dict(style="canon at the fourth", key="G major", character="inverted canon"),

1005

13: dict(style="free", key="G major", character="gentle, flowing ornaments"),

1006

14: dict(style="free with hand-crossing", key="G major", character="brilliant two-voice"),

1007

15: dict(style="canon at the fifth (inverted)", key="G minor", character="profound, slow"),

1008

16: dict(style="overture", key="G major", character="French overture style"),

1009

17: dict(style="free", key="G major", character="syncopated, off-beat accents"),

1010

18: dict(style="canon at the sixth", key="G major", character="stately canon"),

1011

19: dict(style="minuet", key="G major", character="elegant dance"),

1012

20: dict(style="free with hand-crossing", key="G major", character="percussive virtuosity"),

1013

21: dict(style="canon at the seventh", key="G minor", character="contemplative, modal"),

1014

22: dict(style="alla breve", key="G major", character="learned counterpoint"),

1015

23: dict(style="free", key="G major", character="brilliant, showy"),

1016

24: dict(style="canon at the octave", key="G major", character="graceful, symmetrical"),

1017

25: dict(style="adagio (siciliana)", key="G minor", character="profoundly expressive, slow"),

1018

26: dict(style="free with hand-crossing", key="G major", character="rapid parallel thirds"),

1019

27: dict(style="canon at the ninth", key="G major", character="clear, clean"),

1020

28: dict(style="free with trills", key="G major", character="trill-saturated virtuosity"),

1021

29: dict(style="quodlibet", key="G major", character="folk songs woven into counterpoint"),

1022

30: dict(style="aria da capo", key="G major", character="return of the opening Aria"),

1023

}

1024

1025

for n in range(1, 31):

1026

meta = variation_metadata[n]

1027

is_done = n <= 28 # 28/30 complete

1028

issue_id = _uid(f"narr-goldberg-issue-var-{n}")

db.add(MusehubIssue(

issue_id=issue_id,

repo_id=REPO_GOLDBERG,

1033

number=n,

1034

title=f"Variation {n} — {meta['style']}",

1035

body=(

1036

f"**Style:** {meta['style']}\n"

1037

f"**Key:** {meta['key']}\n"

1038

f"**Character:** {meta['character']}\n\n"

1039

f"Acceptance criteria:\n"

1040

f"- [ ] Correct ornaments (trills, mordents, turns)\n"

1041

f"- [ ] Correct articulation (slurs, staccati)\n"

1042

f"- [ ] Voice leading reviewed\n"

1043

f"- [ ] Tempo marking verified against Urtext"

1044

),

1045

state="closed" if is_done else "open",

1046

labels=["variation", f"variation-{n}", meta["key"].replace(" ", "-").lower()],

1047

author="gabriel",

1048

milestone_id=milestone_id,

1049

created_at=_now(days=120 - n * 3),

1050

))

1051

1052

# Add commits for closed variations

1053

if is_done:

1054

commit_id = _sha(f"narr-goldberg-var-{n}")

1055

db.add(MusehubCommit(

1056

commit_id=commit_id,

1057

repo_id=REPO_GOLDBERG,

1058

branch="main",

1059

parent_ids=[_sha(f"narr-goldberg-var-{n-1}") if n > 1 else _sha("narr-goldberg-aria")],

1060

message=f"feat(var{n}): Variation {n} — {meta['style']} — {meta['character']}",

1061

author="gabriel",

1062

timestamp=_now(days=120 - n * 3 + 1),

1063

snapshot_id=_sha(f"snap-narr-goldberg-var-{n}"),

1064

))

1065

1066

# Variation 25 debate — 18 comments (slow vs fast tempo)

1067

var25_issue_id = _uid("narr-goldberg-issue-var-25")

1068

var25_debate: list[tuple[str, str]] = [

1069

("gabriel", "Variation 25 is the emotional heart of the Goldberg. G minor, adagio. I'm recording at ♩=44. Is this too slow?"),

1070

("pierre", "Glenn Gould's 1981 recording is ♩=40. Rosalyn Tureck goes as slow as ♩=36. ♩=44 is actually on the fast side for this variation."),

1071

("sofia", "♩=44 is where I'd want it too. Below ♩=40 and the ornaments lose their shape — the trills become sludge."),

1072

("yuki", "The ornaments at ♩=44 have to be measured very precisely or they rush. Have you tried recording with a click and then humanizing?"),

1073

("gabriel", "I'm recording against a click at ♩=44 but the 32nd-note ornaments in bar 13 feel mechanical. Maybe ♩=40 gives them more breathing room?"),

1074

("pierre", "♩=40 is where the silence *between* ornament notes starts to breathe. That's where this variation lives — in the silence."),

1075

("sofia", "But the melodic line can't be too fragmentary. There's a balance between ornament breathing room and melodic continuity."),

1076

("marcus", "From a production perspective — at ♩=40 the decay of each harpsichord note is long enough that adjacent notes overlap in the reverb. That creates a natural legato even on a plucked instrument."),

1077

("gabriel", "That's a point I hadn't considered. The harpsichord's decay effectively determines the minimum tempo for legato character."),

1078

("chen", "The acoustics of the instrument being used matter here. What's the decay time on your harpsichord model? At what tempo does the decay of beat 1 reach -60 dB before beat 2 hits?"),

1079

("gabriel", "Good question — with the harpsichord sample I'm using, decay reaches -60 dB in about 1.2 seconds. At ♩=40, a quarter note = 1.5 seconds. So there IS overlap."),

1080

("marcus", "At ♩=44, quarter note = 1.36 seconds, so barely any overlap. ♩=40 gives you legato for free."),

1081

("pierre", "And the ornamentation question answers itself — at ♩=40, the ornaments land in the natural decay tail of the preceding note. They're not rushed because they're riding the resonance."),

1082

("yuki", "This is the right analysis. ♩=40. The ornaments will feel inevitable rather than imposed."),

1083

("sofia", "Agreed. ♩=40 and let the harpsichord's physics make the artistic decision."),

1084

("gabriel", "OK — ♩=40 it is. I'll re-record bar 13 and the coda. Thank you for this. The physics argument is the one that convinced me."),

1085

("pierre", "Document the tempo decision in the commit message. Future contributors will wonder why ♩=40 and not ♩=44."),

1086

("gabriel", "Already done: 'tempo: adagio at q=40 — harpsichord decay overlap creates natural legato; ornaments ride resonance tail (see issue #25)'"),

1087

]

1088

for i, comment in enumerate(var25_debate):

1089

author, body = comment

1090

db.add(MusehubIssueComment(

1091

comment_id=_uid(f"narr-goldberg-var25-comment-{i}"),

1092

issue_id=var25_issue_id,

1093

repo_id=REPO_GOLDBERG,

author=author,

body=body,

parent_id=None,

musical_refs=[],

created_at=_now(days=120 - 25 * 3 + i // 3),

1099

))

1100

1101

# Variation 29 PR — open, yuki requests more ornamentation

1102

var29_pr_id = _uid("narr-goldberg-pr-var-29")

1103

db.add(MusehubCommit(

1104

commit_id=_sha("narr-goldberg-var-29-draft"),

1105

repo_id=REPO_GOLDBERG,

1106

branch="feat/var-29-quodlibet",

1107

parent_ids=[_sha("narr-goldberg-var-28")],

1108

message="feat(var29): Variation 29 draft — quodlibet with folk songs",

1109

author="gabriel",

1110

timestamp=_now(days=8),

1111

snapshot_id=_sha("snap-narr-goldberg-var-29-draft"),

1112

))

1113

db.add(MusehubBranch(

1114

repo_id=REPO_GOLDBERG,

1115

name="feat/var-29-quodlibet",

1116

head_commit_id=_sha("narr-goldberg-var-29-draft"),

1117

))

1118

db.add(MusehubPullRequest(

1119

pr_id=var29_pr_id,

1120

repo_id=REPO_GOLDBERG,

1121

title="Feat: Variation 29 — Quodlibet (folk songs in counterpoint)",

1122

body=(

1123

"## Variation 29 — Quodlibet\n\n"

1124

"Bach's joke variation — two folk songs ('I've been so long away from you' "

1125

"and 'Cabbage and turnips') woven into strict four-voice counterpoint.\n\n"

1126

"## What's here\n"

1127

"- Folk song 1: soprano voice, bars 1-8\n"

1128

"- Folk song 2: alto voice, bars 1-8\n"

1129

"- Bass line: walking quodlibet bass\n"

1130

"- Tenor: free counterpoint bridging folk tunes\n\n"

1131

"## What needs work\n"

1132

"- Ornamentation is sparse — I've not yet added the trills and mordents\n"

1133

" that appear in the Urtext\n"

1134

"- Need a review from yuki on ornament placement\n\n"

"Closes #29"

),

state="open",

from_branch="feat/var-29-quodlibet",

1139

to_branch="main",

1140

author="gabriel",

1141

created_at=_now(days=7),

1142

))

1143

1144

# yuki's review — requesting more ornamentation

1145

yuki_review_id = _uid("narr-goldberg-review-yuki-var29")

1146

db.add(MusehubPRReview(

1147

id=yuki_review_id,

1148

pr_id=var29_pr_id,

1149

reviewer_username="yuki",

1150

state="changes_requested",

1151

body=(

1152

"The counterpoint structure is clean and the folk song placements are musically correct. "

1153

"However, the ornamentation is *significantly* under-specified. "

1154

"This is the penultimate variation — listeners have been through 28 variations of "

1155

"increasing complexity. They expect maximum ornamental density here before the Aria returns.\n\n"

1156

"**Specific requests:**\n\n"

1157

"1. Bar 3, soprano, beat 2: add a double mordent (pralltriller) on the C\n"

1158

"2. Bar 5, alto, beat 1: the folk melody needs a trill on the leading tone\n"

1159

"3. Bar 7-8: the authentic cadence needs an ornamental turn (Doppelschlag) "

1160

"on the penultimate note — this is standard Baroque practice at cadences\n"

1161

"4. General: consider adding short appoggiaturas throughout to soften the "

1162

"counterpoint into something more human\n\n"

1163

"**Reference:** Look at Variation 13 — similar character, full ornamental treatment. "

1164

"That's the standard for this project.\n\n"

1165

"More ornamentation, please. This is Bach's joke variation — it should feel lavish, "

1166

"not ascetic."

1167

),

1168

submitted_at=_now(days=6),

1169

created_at=_now(days=6),

1170

))

1171

1172

# gabriel's response comment

1173

db.add(MusehubPRComment(

1174

comment_id=_uid("narr-goldberg-var29-gabriel-response"),

1175

pr_id=var29_pr_id,

1176

repo_id=REPO_GOLDBERG,

1177

author="gabriel",

1178

body=(

1179

"yuki — thank you for the detailed feedback. You're right that I was too conservative.\n\n"

1180

"I'll add:\n"

1181

"- Double mordent on bar 3 soprano C ✓\n"

1182

"- Trill on bar 5 alto leading tone ✓\n"

1183

"- Doppelschlag at bar 7-8 cadence ✓\n"

1184

"- Appoggiaturas throughout — going to listen to Var 13 again and match the density\n\n"

1185

"Give me 24 hours. The quodlibet deserves to arrive well-dressed."

1186

),

1187

target_type="general",

1188

created_at=_now(days=5),

1189

))

1190

1191

print(" ✅ Scenario 5: Goldberg Milestone — 28/30 done, Var 25 debate, Var 29 ornament review")

1192

1193

1194

# ---------------------------------------------------------------------------

1195

# Main orchestrator

1196

# ---------------------------------------------------------------------------

1197

1198

async def seed_narratives(db: AsyncSession, force: bool = False) -> None:

1199

"""Seed all 5 narrative scenarios into the database.

1200

1201

Idempotent — checks for the sentinel repo before inserting. Pass ``force``

1202

to wipe existing narrative data and re-seed from scratch.

1203

"""

1204

print("🎭 Seeding MuseHub narrative scenarios…")

1205

1206

result = await db.execute(

1207

text("SELECT COUNT(*) FROM musehub_repos WHERE repo_id = :rid"),

1208

{"rid": SENTINEL_REPO_ID},

1209

)

1210

already_seeded = (result.scalar() or 0) > 0

1211

1212

if already_seeded and not force:

1213

print(" ⚠️ Narrative scenarios already seeded — skipping. Pass --force to reseed.")

1214

return

1215

1216

if already_seeded and force:

1217

print(" 🗑 --force: clearing existing narrative data…")

1218

narrative_repos = [

1219

REPO_NEO_BAROQUE, REPO_NEO_BAROQUE_FORK,

REPO_NOCTURNE,

REPO_RAGTIME_EDM,

REPO_COMMUNITY_JAM,

REPO_GOLDBERG,

]

# Delete dependent records first, then repos (cascade handles the rest)

1226

for rid in narrative_repos:

1227

await db.execute(text("DELETE FROM musehub_repos WHERE repo_id = :rid"), {"rid": rid})

1228

await db.flush()

1229

1230

await _seed_bach_remix_war(db)

1231

await db.flush()

1232

1233

await _seed_chopin_coltrane(db)

1234

await db.flush()

1235

1236

await _seed_ragtime_edm(db)

1237

await db.flush()

1238

1239

await _seed_community_chaos(db)

1240

await db.flush()

1241

1242

await _seed_goldberg_milestone(db)

await db.flush()

await db.commit()

print()

print("=" * 72)

print("🎭 NARRATIVE SCENARIOS — SEEDED")

1250

print("=" * 72)

1251

BASE = "http://localhost:10001"

1252

print(f"\n1. Bach Remix War: {BASE}/gabriel/neo-baroque-counterpoint")

1253

print(f" Fork (trap): {BASE}/marcus/neo-baroque-counterpoint")

1254

print(f"\n2. Chopin+Coltrane: {BASE}/pierre/nocturne-op9-no2")

1255

print(f"\n3. Ragtime EDM: {BASE}/marcus/maple-leaf-drops")

1256

print(f"\n4. Community Chaos: {BASE}/gabriel/community-jam-vol-1")

1257

print(f"\n5. Goldberg Milestone: {BASE}/gabriel/goldberg-variations")

1258

print()

1259

print("=" * 72)

1260

print("✅ Narrative seed complete.")

print("=" * 72)

async def main() -> None:

1265

"""Entry point — run all narrative scenarios."""

1266

force = "--force" in sys.argv

1267

db_url: str = settings.database_url or ""

1268

engine = create_async_engine(db_url, echo=False)

1269

async_session = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False) # type: ignore[call-overload] # SQLAlchemy: sessionmaker with class_=AsyncSession triggers call-overload false positive

1270

async with async_session() as db:

1271

await seed_narratives(db, force=force)

1272

await engine.dispose()

1273

1274

1275

if __name__ == "__main__":

1276

asyncio.run(main())