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."),

251

("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?"),

252

("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."),

253

("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."),

254

("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."),

255

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

256

("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."),

257

("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."),

258

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

259

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

260

("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."),

261

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

262

("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."),

263

("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."),

264

("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."),

265

]

266

parent: str | None = None

267

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

268

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

269

db.add(MusehubPRComment(

270

comment_id=cid,

271

pr_id=pr_id,

272

repo_id=REPO_NEO_BAROQUE,

273

author=author,

274

body=body,

275

target_type="general",

276

parent_comment_id=parent if i > 0 else None,

277

created_at=_now(days=24 - i),

278

))

279

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

280

281

# Consolation release on the fork

282

db.add(MusehubRelease(

283

repo_id=REPO_NEO_BAROQUE_FORK,

284

tag="v1.0.0-trap",

285

title="Trap Baroque — v1.0.0",

286

body=(

287

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

288

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

289

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

290

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

291

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

292

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

293

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

294

"### Philosophy\n"

295

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

296

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

297

),

298

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

299

download_urls={

300

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

301

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

302

},

303

author="marcus",

304

created_at=_now(days=22),

305

))

306

307

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

308

309

310

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

311

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

312

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

313

314

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

315

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

316

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

317

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

318

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

319

"""

320

db.add(MusehubRepo(

321

repo_id=REPO_NOCTURNE,

322

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

323

owner="pierre",

324

slug="nocturne-op9-no2",

325

owner_user_id=PIERRE,

326

visibility="public",

327

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

328

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

329

key_signature="Eb major",

330

tempo_bpm=66,

331

created_at=_now(days=55),

332

))

333

334

# Original commits by pierre

335

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

336

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

337

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

338

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

339

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

340

]

341

prev: str | None = None

342

for i, c in enumerate(nocturne_base):

343

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

344

db.add(MusehubCommit(

345

commit_id=cid,

346

repo_id=REPO_NOCTURNE,

347

branch="main",

348

parent_ids=[prev] if prev else [],

349

message=c["message"],

350

author=c["author"],

351

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

352

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

353

))

354

prev = cid

355

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

356

357

# yuki's jazz harmony branch

358

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

359

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

360

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

361

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

362

]

363

yuki_prev = base_commit

364

for i, c in enumerate(yuki_commits):

365

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

366

db.add(MusehubCommit(

367

commit_id=cid,

368

repo_id=REPO_NOCTURNE,

369

branch="feat/coltrane-harmony",

370

parent_ids=[yuki_prev],

371

message=c["message"],

372

author=c["author"],

373

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

374

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

375

))

376

yuki_prev = cid

377

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

378

379

# fatou's rhythm branch

380

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

381

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

382

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

383

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

384

]

385

fatou_prev = base_commit

386

for i, c in enumerate(fatou_commits):

387

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

388

db.add(MusehubCommit(

389

commit_id=cid,

390

repo_id=REPO_NOCTURNE,

391

branch="feat/afro-rhythm",

392

parent_ids=[fatou_prev],

393

message=c["message"],

394

author=c["author"],

395

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

396

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

397

))

398

fatou_prev = cid

399

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

400

401

# Branches

402

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

403

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

404

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

405

406

# PRs — both open, conflict in piano.mid

407

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

408

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

409

410

db.add(MusehubPullRequest(

411

pr_id=pr_yuki_id,

412

repo_id=REPO_NOCTURNE,

413

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

414

body=(

415

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

416

"Key changes:\n"

417

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

418

"- Tritone sub on bar 4 turnaround\n"

419

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

420

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

421

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

422

),

423

state="merged",

424

from_branch="feat/coltrane-harmony",

425

to_branch="main",

426

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

427

merged_at=_now(days=38),

428

author="yuki",

429

created_at=_now(days=42),

430

))

431

432

db.add(MusehubPullRequest(

433

pr_id=pr_fatou_id,

434

repo_id=REPO_NOCTURNE,

435

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

436

body=(

437

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

438

"Key changes:\n"

439

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

440

"- Fender bass groove following harmonic rhythm\n"

441

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

442

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

443

"we both touch the piano accompaniment register."

444

),

445

state="merged",

446

from_branch="feat/afro-rhythm",

447

to_branch="main",

448

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

449

merged_at=_now(days=38),

450

author="fatou",

451

created_at=_now(days=42),

452

))

453

454

# Merge commit (joint authorship)

455

db.add(MusehubCommit(

456

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

457

repo_id=REPO_NOCTURNE,

458

branch="main",

459

parent_ids=[yuki_head, fatou_head],

460

message=(

461

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

462

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

463

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

464

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

465

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

466

),

467

author="pierre",

468

timestamp=_now(days=38),

469

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

470

))

471

472

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

473

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

474

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

475

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

476

("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."),

477

("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."),

478

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

479

("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."),

480

("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."),

481

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

482

("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."),

483

("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."),

484

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

485

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

486

("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."),

487

("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."),

488

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

489

("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."),

490

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

491

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

492

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

493

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

494

]

495

pr_parent: str | None = None

496

for i, comment in enumerate(resolution_debate):

497

author, body = comment

498

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

499

db.add(MusehubPRComment(

500

comment_id=cid,

501

pr_id=pr_yuki_id,

502

repo_id=REPO_NOCTURNE,

503

author=author,

504

body=body,

505

target_type="general",

506

parent_comment_id=None,

507

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

))

# Release

db.add(MusehubRelease(

512

repo_id=REPO_NOCTURNE,

513

tag="v1.0.0",

514

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

515

body=(

516

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

517

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

518

"### Musicians\n"

519

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

520

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

521

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

522

"### Technical resolution\n"

523

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

524

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

525

"for the tritone substitution.\n\n"

526

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

527

),

528

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

529

download_urls={

530

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

531

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

532

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

533

},

534

author="pierre",

535

created_at=_now(days=37),

536

))

537

538

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

539

540

541

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

542

# Scenario 3 — Ragtime EDM Collab

543

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

544

545

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

546

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

547

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

548

'Maple Leaf Drops' release.

549

"""

550

db.add(MusehubRepo(

551

repo_id=REPO_RAGTIME_EDM,

552

name="Maple Leaf Drops",

553

owner="marcus",

554

slug="maple-leaf-drops",

555

owner_user_id=MARCUS,

556

visibility="public",

557

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

558

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

559

key_signature="Ab major",

560

tempo_bpm=130,

561

created_at=_now(days=40),

562

))

563

564

# 8 commits, 3 authors

565

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

566

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

567

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

568

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

569

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

570

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

571

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

572

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

573

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

574

]

575

prev_cid: str | None = None

576

for i, c in enumerate(ragtime_commits):

577

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

578

db.add(MusehubCommit(

579

commit_id=cid,

580

repo_id=REPO_RAGTIME_EDM,

581

branch="main",

582

parent_ids=[prev_cid] if prev_cid else [],

583

message=c["message"],

584

author=c["author"],

585

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

586

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

))

prev_cid = cid

db.add(MusehubBranch(

591

repo_id=REPO_RAGTIME_EDM,

592

name="main",

593

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

594

))

595

596

# Session — 3-participant collab

597

db.add(MusehubSession(

598

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

599

repo_id=REPO_RAGTIME_EDM,

600

started_at=_now(days=40),

601

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

602

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

603

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

604

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

605

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

606

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

607

is_active=False,

608

created_at=_now(days=40),

609

))

610

db.add(MusehubSession(

611

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

612

repo_id=REPO_RAGTIME_EDM,

613

started_at=_now(days=32),

614

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

615

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

616

location="Remote",

617

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

618

commits=[

619

_sha("narr-ragtime-4"),

620

_sha("narr-ragtime-5"),

621

_sha("narr-ragtime-6"),

622

],

623

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

624

is_active=False,

625

created_at=_now(days=32),

626

))

627

628

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

629

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

640

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

641

]

642

for user_id, emoji in fatou_reactions:

643

try:

644

db.add(MusehubReaction(

645

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

646

repo_id=REPO_RAGTIME_EDM,

647

target_type="commit",

648

target_id=fatou_commit_id,

649

user_id=user_id,

650

emoji=emoji,

651

created_at=_now(days=32),

))

except Exception:

pass

# Comments on fatou's commit

657

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

658

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

659

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

660

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

661

("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."),

662

("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.)"),

663

("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."),

664

]

665

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

666

db.add(MusehubComment(

667

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

668

repo_id=REPO_RAGTIME_EDM,

669

target_type="commit",

670

target_id=fatou_commit_id,

671

author=author,

672

body=body,

673

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

))

# Release

db.add(MusehubRelease(

678

repo_id=REPO_RAGTIME_EDM,

679

tag="v1.0.0",

680

title="Maple Leaf Drops",

681

body=(

682

"## Maple Leaf Drops — v1.0.0\n\n"

683

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

684

"### Musicians\n"

685

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

686

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

687

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

688

"### Highlights\n"

689

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

690

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

691

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

692

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

693

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

694

),

695

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

696

download_urls={

697

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

698

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

699

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

700

},

701

author="marcus",

702

created_at=_now(days=24),

703

))

704

705

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

706

707

708

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

709

# Scenario 4 — Community Chaos

710

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

711

712

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

713

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

714

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

715

milestone at 70% completion.

716

"""

717

db.add(MusehubRepo(

718

repo_id=REPO_COMMUNITY_JAM,

719

name="Community Jam Vol. 1",

720

owner="gabriel",

721

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

722

owner_user_id=GABRIEL,

723

visibility="public",

724

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

725

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

726

key_signature="C major", # the disputed key

727

tempo_bpm=95,

728

created_at=_now(days=50),

))

# Base commits

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

733

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

734

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

735

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

736

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

737

]

738

jam_prev: str | None = None

739

for i, c in enumerate(base_commits):

740

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

741

db.add(MusehubCommit(

742

commit_id=cid,

743

repo_id=REPO_COMMUNITY_JAM,

744

branch="main",

745

parent_ids=[jam_prev] if jam_prev else [],

746

message=c["message"],

747

author=c["author"],

748

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

749

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

750

))

751

jam_prev = cid

752

db.add(MusehubBranch(

753

repo_id=REPO_COMMUNITY_JAM,

754

name="main",

755

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

756

))

757

758

# 5 simultaneous open PRs

759

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

760

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

761

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

762

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

763

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

764

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

765

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

766

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

767

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

768

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

769

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

770

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

771

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

772

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

773

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

774

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

775

]

776

pr_ids: list[str] = []

777

for pc in pr_configs:

778

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

779

pr_ids.append(pr_id)

780

# PRs 1, 2, 3 are in conflict

781

db.add(MusehubPullRequest(

782

pr_id=pr_id,

783

repo_id=REPO_COMMUNITY_JAM,

784

title=pc["title"],

785

body=pc["body"] + (

786

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

787

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

788

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

789

),

790

state="open",

791

from_branch=pc["branch"],

792

to_branch="main",

793

author=pc["author"],

794

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

795

))

796

797

# The key signature debate issue (25 comments)

798

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

799

db.add(MusehubIssue(

800

issue_id=key_debate_issue_id,

801

repo_id=REPO_COMMUNITY_JAM,

802

number=1,

803

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

804

body=(

805

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

806

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

807

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

808

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

809

"Current proposals:\n"

810

"- C major (original)\n"

811

"- A minor (relative minor)\n"

812

"- G major (Afrobeat fit)\n"

813

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

814

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

"Make. Your. Case."

),

state="open",

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

819

author="gabriel",

820

created_at=_now(days=38),

821

))

822

823

# 25-comment key signature debate

824

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

825

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

826

("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."),

827

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

828

("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."),

829

("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."),

830

("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."),

831

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

832

("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?"),

833

("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."),

834

("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."),

835

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

836

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

837

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

838

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

839

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

840

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

841

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

842

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

843

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

844

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

845

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

846

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

847

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

848

("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."),

849

("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."),

850

]

851

issue_parent: str | None = None

852

for i, comment in enumerate(key_debate):

853

author, body = comment

854

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

855

db.add(MusehubIssueComment(

856

comment_id=cid,

857

issue_id=key_debate_issue_id,

858

repo_id=REPO_COMMUNITY_JAM,

author=author,

body=body,

parent_id=None,

musical_refs=[],

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

864

))

865

866

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

867

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

868

db.add(MusehubMilestone(

869

milestone_id=milestone_id,

870

repo_id=REPO_COMMUNITY_JAM,

871

number=1,

872

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

873

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

874

state="open",

875

author="gabriel",

876

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

877

created_at=_now(days=50),

878

))

879

880

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

881

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

882

# Closed (done)

883

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

884

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

885

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

886

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

887

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

888

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

889

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

890

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

891

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

892

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

893

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

894

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

895

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

896

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

897

# Open (30% remaining)

898

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

899

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

900

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

901

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

902

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

903

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

904

]

905

for task in milestone_tasks:

906

db.add(MusehubIssue(

907

repo_id=REPO_COMMUNITY_JAM,

908

number=task["n"],

909

title=task["title"],

910

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

911

state=task["state"],

912

labels=task["labels"],

913

author="gabriel",

914

milestone_id=milestone_id,

915

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

916

))

917

918

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

919

920

921

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

922

# Scenario 5 — Goldberg Milestone

923

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

924

925

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

926

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

927

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

928

with yuki requesting 'more ornamentation'.

929

"""

930

db.add(MusehubRepo(

931

repo_id=REPO_GOLDBERG,

932

name="Goldberg Variations (Complete)",

933

owner="gabriel",

934

slug="goldberg-variations",

935

owner_user_id=GABRIEL,

936

visibility="public",

937

description=(

938

"Bach's Goldberg Variations — all 30. "

939

"Aria + 30 variations + Aria da capo. "

940

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

941

),

942

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

943

key_signature="G major",

944

tempo_bpm=80,

945

created_at=_now(days=120),

946

))

947

948

# Base commit — the Aria

949

db.add(MusehubCommit(

950

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

951

repo_id=REPO_GOLDBERG,

952

branch="main",

953

parent_ids=[],

954

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

955

author="gabriel",

956

timestamp=_now(days=120),

957

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

958

))

959

db.add(MusehubBranch(

960

repo_id=REPO_GOLDBERG,

961

name="main",

962

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

963

))

964

965

# Milestone for all 30 variations

966

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

967

db.add(MusehubMilestone(

968

milestone_id=milestone_id,

969

repo_id=REPO_GOLDBERG,

970

number=1,

971

title="All 30 Variations Complete",

972

description=(

973

"Track progress through all 30 Goldberg variations. "

974

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

"28/30 complete."

),

state="open",

author="gabriel",

due_on=_now(days=-30),

980

created_at=_now(days=120),

981

))

982

983

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

984

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

985

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

986

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

987

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

988

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

989

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

990

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

991

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

992

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

993

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

994

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

995

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

996

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

997

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

998

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

999

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

1000

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

1001

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

1002

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

1003

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

1004

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

1005

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

1006

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

1007

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

1008

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

1009

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

1010

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

1011

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

1012

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

1013

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

1014

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

1015

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

1016

}

1017

1018

for n in range(1, 31):

1019

meta = variation_metadata[n]

1020

is_done = n <= 28 # 28/30 complete

1021

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

db.add(MusehubIssue(

issue_id=issue_id,

repo_id=REPO_GOLDBERG,

1026

number=n,

1027

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

1028

body=(

1029

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

1030

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

1031

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

1032

f"Acceptance criteria:\n"

1033

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

1034

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

1035

f"- [ ] Voice leading reviewed\n"

1036

f"- [ ] Tempo marking verified against Urtext"

1037

),

1038

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

1039

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

1040

author="gabriel",

1041

milestone_id=milestone_id,

1042

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

1043

))

1044

1045

# Add commits for closed variations

1046

if is_done:

1047

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

1048

db.add(MusehubCommit(

1049

commit_id=commit_id,

1050

repo_id=REPO_GOLDBERG,

1051

branch="main",

1052

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

1053

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

1054

author="gabriel",

1055

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

1056

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

1057

))

1058

1059

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

1060

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

1061

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

1062

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

1063

("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."),

1064

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

1065

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

1066

("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?"),

1067

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

1068

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

1069

("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."),

1070

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

1071

("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?"),

1072

("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."),

1073

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

1074

("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."),

1075

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

1076

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

1077

("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."),

1078

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

1079

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

1080

]

1081

for i, comment in enumerate(var25_debate):

1082

author, body = comment

1083

db.add(MusehubIssueComment(

1084

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

1085

issue_id=var25_issue_id,

1086

repo_id=REPO_GOLDBERG,

author=author,

body=body,

parent_id=None,

musical_refs=[],

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

1092

))

1093

1094

# Variation 29 PR — open, yuki requests more ornamentation

1095

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

1096

db.add(MusehubCommit(

1097

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

1098

repo_id=REPO_GOLDBERG,

1099

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

1100

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

1101

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

1102

author="gabriel",

1103

timestamp=_now(days=8),

1104

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

1105

))

1106

db.add(MusehubBranch(

1107

repo_id=REPO_GOLDBERG,

1108

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

1109

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

1110

))

1111

db.add(MusehubPullRequest(

1112

pr_id=var29_pr_id,

1113

repo_id=REPO_GOLDBERG,

1114

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

1115

body=(

1116

"## Variation 29 — Quodlibet\n\n"

1117

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

1118

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

1119

"## What's here\n"

1120

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

1121

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

1122

"- Bass line: walking quodlibet bass\n"

1123

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

1124

"## What needs work\n"

1125

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

1126

" that appear in the Urtext\n"

1127

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

"Closes #29"

),

state="open",

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

1132

to_branch="main",

1133

author="gabriel",

1134

created_at=_now(days=7),

1135

))

1136

1137

# yuki's review — requesting more ornamentation

1138

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

1139

db.add(MusehubPRReview(

1140

id=yuki_review_id,

1141

pr_id=var29_pr_id,

1142

reviewer_username="yuki",

1143

state="changes_requested",

1144

body=(

1145

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

1146

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

1147

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

1148

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

1149

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

1150

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

1151

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

1152

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

1153

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

1154

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

1155

"counterpoint into something more human\n\n"

1156

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

1157

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

1158

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

1159

"not ascetic."

1160

),

1161

submitted_at=_now(days=6),

1162

created_at=_now(days=6),

1163

))

1164

1165

# gabriel's response comment

1166

db.add(MusehubPRComment(

1167

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

1168

pr_id=var29_pr_id,

1169

repo_id=REPO_GOLDBERG,

1170

author="gabriel",

1171

body=(

1172

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

1173

"I'll add:\n"

1174

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

1175

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

1176

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

1177

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

1178

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

1179

),

1180

target_type="general",

1181

created_at=_now(days=5),

1182

))

1183

1184

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

1185

1186

1187

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

1188

# Main orchestrator

1189

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

1190

1191

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

1192

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

1193

1194

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

1195

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

1196

"""

1197

print("🎭 Seeding MuseHub narrative scenarios…")

1198

1199

result = await db.execute(

1200

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

1201

{"rid": SENTINEL_REPO_ID},

1202

)

1203

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

1204

1205

if already_seeded and not force:

1206

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

1207

return

1208

1209

if already_seeded and force:

1210

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

1211

narrative_repos = [

1212

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)

1219

for rid in narrative_repos:

1220

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

1221

await db.flush()

1222

1223

await _seed_bach_remix_war(db)

1224

await db.flush()

1225

1226

await _seed_chopin_coltrane(db)

1227

await db.flush()

1228

1229

await _seed_ragtime_edm(db)

1230

await db.flush()

1231

1232

await _seed_community_chaos(db)

1233

await db.flush()

1234

1235

await _seed_goldberg_milestone(db)

await db.flush()

await db.commit()

print()

print("=" * 72)

print("🎭 NARRATIVE SCENARIOS — SEEDED")

1243

print("=" * 72)

1244

BASE = "http://localhost:10001/musehub/ui"

1245

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

1246

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

1247

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

1248

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

1249

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

1250

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

1251

print()

1252

print("=" * 72)

1253

print("✅ Narrative seed complete.")

print("=" * 72)

async def main() -> None:

1258

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

1259

force = "--force" in sys.argv

1260

db_url: str = settings.database_url or ""

1261

engine = create_async_engine(db_url, echo=False)

1262

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

1263

async with async_session() as db:

1264

await seed_narratives(db, force=force)

1265

await engine.dispose()

1266

1267

1268

if __name__ == "__main__":

1269

asyncio.run(main())