Generate the workspace and account command stubs from a checked-in
.codegen/cli.json instead of reflecting over an external API spec, so
codegen is reproducible from data committed to this repo.

- internal/cligen: a self-contained, data-driven generator (model,
  templates, name/casing derivation) that renders the command stubs
  from cli.json
- bundle/internal/schema: read API annotations (descriptions, enums,
  field behaviors) directly from cli.json; drop the OpenAPI pseudo-spec
  reconstruction and the raw-spec environment path
- Taskfile: wire the cli.json-based generators into `task generate`
- regenerate the committed codegen artifacts from cli.json

Co-authored-by: Isaac

Read launch_stage, enum_launch_stages and enum_descriptions from the
checked-in .codegen/cli.json and surface them in the generated bundle
schema, docs and Python models:

- Prefix field descriptions with [Public Preview] / [Beta] /
  [Private Preview] so the stage shows in editor hover tooltips and the
  generated docstrings.
- Emit the parallel enumDescriptions array so VSCode renders a per-value
  stage label and description in autocomplete dropdowns.
- Carry the raw x-databricks-launch-stage alongside the existing
  x-databricks-preview, and hide PRIVATE_PREVIEW fields via doNotSuggest.

PreviewTag lives in bundle/internal/annotation as the single source of
truth shared by the schema and docs generators. The PUBLIC_BETA label is
"[Beta]" to match Databricks public documentation.

cli.json is filtered upstream at min-stage=PRIVATE_PREVIEW, so no
DEVELOPMENT surface reaches the extractor and launch_stage is already
clean (GA plus the three preview stages). The OpenAPI-spec-based
DEVELOPMENT filtering and preview normalization the earlier version
carried are no longer needed.

assignAnnotation flags an open question (in a comment) on whether either
x-databricks-preview or x-databricks-launch-stage is consumed downstream
of the published schema, pending confirmation with the team.

Regenerated jsonschema.json, jsonschema_for_docs.json,
annotations_openapi.yml, the bundle docs and the Python (pydabs) models.

Co-authored-by: Isaac

Map ./bundle/schema/jsonschema.json onto databricks.yml / bundle.yml in
.vscode/settings.json so the schema generated in this repo is the one the
editor validates and autocompletes against.

Co-authored-by: Isaac

Addresses review feedback: PreviewTagShort now lives alongside PreviewTag
in bundle/internal/annotation, keeping the launch-stage label vocabulary
in a single place. Pure refactor, no change to generated output.

Co-authored-by: Isaac

Main now carries the merged 'Drive CLI codegen from a checked-in cli.json'
(#5484), an evolved version of this branch's foundational commits: the
cli.json contract types moved to the generated internal/clijson package,
cligen consumes them via a transform, and Resolve() reports errors.

Conflict resolution:
- internal/cligen/*, Taskfile.yml, .codegen.json, main_test.go: took main's
  version; the branch carried no unique changes there.
- bundle/internal/schema/cli_json.go: took main's version. The ad-hoc
  cliJSONField/cliJSONSchema decoding types are gone; clijson.SchemaJSON and
  SchemaFieldJSON already carry launch_stage, enum_launch_stages and
  enum_descriptions.
- bundle/internal/schema/parser.go: hand-merged. Kept the launch-stage
  extraction (field-level launch_stage, enum launch stages/descriptions on
  enum schemas) on top of main's clijson types. Dropped the schema-level
  LaunchStage/Deprecated handling: the generated contract has no such
  fields, so those branches were dead.
- Generated artifacts (annotations_openapi.yml, jsonschema*.json, docs,
  pydabs models): took main's version and regenerated with the merged code.

Co-authored-by: Isaac

The pydabs-codegen run during the merge resolution re-synced the
lockfile through a locally-configured pypi proxy
(pypi-proxy.dev.databricks.com), swapping every registry URL and
dropping the size fields. Only python/codegen/uv.lock was caught and
reverted at the time; this one slipped into the merge commit staged.

Co-authored-by: Isaac