Dataset Viewer

Split (1)

train

The dataset viewer is not available for this split.

Cannot load the dataset split (in streaming mode) to extract the first rows.

Error code:   StreamingRowsError
Exception:    CastError
Message:      Couldn't cast
files: list<item: null>
  child 0, item: null
references: list<item: struct<path: string>>
  child 0, item: struct<path: string>
      child 0, path: string
type: string
devDependencies: struct<@types/node: string, @types/react: string, @types/react-dom: string, @wasp.sh/spec: string, @ (... 82 chars omitted)
  child 0, @types/node: string
  child 1, @types/react: string
  child 2, @types/react-dom: string
  child 3, @wasp.sh/spec: string
  child 4, @wasp.sh/wasp-app-runner: string
  child 5, prisma: string
  child 6, typescript: string
  child 7, vite: string
dependencies: struct<react: string, react-dom: string, react-router: string>
  child 0, react: string
  child 1, react-dom: string
  child 2, react-router: string
name: string
workspaces: list<item: string>
  child 0, item: string
to
{'name': Value('string'), 'type': Value('string'), 'workspaces': List(Value('string')), 'dependencies': {'react': Value('string'), 'react-dom': Value('string'), 'react-router': Value('string')}, 'devDependencies': {'@types/node': Value('string'), '@types/react': Value('string'), '@types/react-dom': Value('string'), '@wasp.sh/spec': Value('string'), '@wasp.sh/wasp-app-runner': Value('string'), 'prisma': Value('string'), 'typescript': Value('string'), 'vite': Value('string')}}
because column names don't match
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
                  return get_rows(
                      dataset=dataset,
                  ...<4 lines>...
                      column_names=column_names,
                  )
                File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
                  return func(*args, **kwargs)
                File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
                  rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
                File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
                  yield from ds.decode(False) if ds.features else ds
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2373, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2398, in _iter_arrow
                  for key, pa_table in self.ex_iterable._iter_arrow():
                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
                  for key, pa_table in self.generate_tables_fn(**gen_kwags):
                                       ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2378, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2306, in cast_table_to_schema
                  raise CastError(
                  ...<3 lines>...
                  )
              datasets.table.CastError: Couldn't cast
              files: list<item: null>
                child 0, item: null
              references: list<item: struct<path: string>>
                child 0, item: struct<path: string>
                    child 0, path: string
              type: string
              devDependencies: struct<@types/node: string, @types/react: string, @types/react-dom: string, @wasp.sh/spec: string, @ (... 82 chars omitted)
                child 0, @types/node: string
                child 1, @types/react: string
                child 2, @types/react-dom: string
                child 3, @wasp.sh/spec: string
                child 4, @wasp.sh/wasp-app-runner: string
                child 5, prisma: string
                child 6, typescript: string
                child 7, vite: string
              dependencies: struct<react: string, react-dom: string, react-router: string>
                child 0, react: string
                child 1, react-dom: string
                child 2, react-router: string
              name: string
              workspaces: list<item: string>
                child 0, item: string
              to
              {'name': Value('string'), 'type': Value('string'), 'workspaces': List(Value('string')), 'dependencies': {'react': Value('string'), 'react-dom': Value('string'), 'react-router': Value('string')}, 'devDependencies': {'@types/node': Value('string'), '@types/react': Value('string'), '@types/react-dom': Value('string'), '@wasp.sh/spec': Value('string'), '@wasp.sh/wasp-app-runner': Value('string'), 'prisma': Value('string'), 'typescript': Value('string'), 'vite': Value('string')}}
              because column names don't match

Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.

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Check out the documentation for more information.

SpecForge — full-stack Wasp app

The tech-spec writing tool from the SpecForge conversation, rebuilt on Wasp as a real full-stack app: specs persisted in a database, per-section editing with autosave, the 12 harness-ready sections with done-detection, and full Markdown export. Structure follows wasp-lang/wasp@main examples/tutorials/TodoApp (Wasp TS Spec era, pinned 0.26.0).

Stack

Wasp 0.26 TS Spec (main.wasp.ts) — routes, auth, 6 operations declared
Prisma + SQLite in dev (schema.prisma at root); switch to postgresql for production
React 19 client; username/password auth via wasp/client/auth
Server operations: getSpecs, getSpec (queries) · createSpec, updateSection, resetSection, deleteSpec (actions) — all ownership-checked against context.user

Run locally

Prereqs: Node.js ≥ 24.14.1, npm.

npm install -g @wasp.sh/wasp-cli@latest
git clone <this repo> specforge-wasp && cd specforge-wasp
wasp install          # generates .wasp/ + the @wasp.sh/spec package (first run only)
wasp db migrate-dev   # creates migrations/ + dev SQLite db
wasp start            # → http://localhost:3000

Sign up, create a spec — it seeds all 12 sections server-side; edits autosave to the DB; the chip turns READY FOR HARNESS when all sections pass the done-check. wasp compile typechecks fast.

Deploy (Fly.io)

Prereqs: flyctl installed, fly auth signup/login, and a Postgres-capable app (SQLite is dev-only).

In schema.prisma, change provider = "sqlite" → provider = "postgresql".
Then, from the app root:

wasp deploy fly launch specforge-app dfw   # region example: dfw / iad / lhr

This creates specforge-app-{client,server,db}, sets DATABASE_URL, JWT_SECRET, WASP_WEB_CLIENT_URL, WASP_SERVER_URL, and runs migrations. Commit the generated fly-server.toml / fly-client.toml. To redeploy after changes: wasp deploy fly deploy. Client env vars must be passed as shell env on every deploy. Health check endpoint is GET /up (Wasp ≥ 0.26).

Railway works too: wasp deploy railway launch.

Repo layout

main.wasp.ts          # Wasp TS Spec: routes, auth, operations
schema.prisma         # User, Spec, Section (cascade delete)
src/
  sections.js         # the 12 sections: hints, starters, shared done-check
  queries.js          # getSpecs / getSpec (ownership-scoped)
  actions.js          # createSpec (seeds 12 sections) / updateSection / resetSection / deleteSpec
  SpecsPage.jsx       # list + create + progress chips + delete
  SpecPage.jsx        # editor: 12-section sidenav, autosave, preview, Copy Markdown
  LoginPage.jsx / SignupPage.jsx
  styles.css

Notes & caveats

migrations/ are generated by wasp db migrate-dev locally; they are not committed here yet (fresh clone generates its own).
Verified statically against the upstream TodoApp example (spec syntax, imports, config files) as of Wasp 0.26.0; no compile run was executed for this scaffold — run wasp install && wasp compile first after cloning and fix any drift if the CLI reports version drift.
The 12 sections, hints, starters and done-check are the same harness-ready scaffold from the SPECWORKS methodology — a spec completed here exports as the input table for an agent build harness.

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