chore: support gts-spec v0.14.2

Adopt batch Type Schema registration and derive each type identifier from
canonical embedded metadata. Pin the conformance submodule to v0.14.2,
bump the breaking package release, and regenerate the OpenAPI document.

Signed-off-by: Artifizer <artifizer@gmail.com>

Author: Artifizer

.gts-spec

@@ -4,7 +4,7 @@
 
 A minimal, idiomatic Python library for working with **GTS** ([Global Type System](https://github.com/gts-spec/gts-spec)) identifiers and JSON/JSON Schema artifacts.
 
-Current supported GTS spec version: `0.14.1`
+Current supported GTS spec version: `0.14.2`
 
 ## Roadmap
 

README.md

@@ -2,7 +2,7 @@
 
 Python helpers and a reference HTTP service for the [Global Type System (GTS)](https://github.com/globaltypesystem/gts-spec). The package supports GTS identifier parsing, JSON Schema-backed validation, schema compatibility and derivation checks, traits, casting, queries, file loading, a CLI, and a FastAPI application.
 
-The package targets GTS specification v0.14.1 and requires Python 3.9 or later.
+The package targets GTS specification v0.14.2 and requires Python 3.9 or later.
 
 ## Installation
 
@@ -185,7 +185,7 @@ ops.reload_from_path("replacement-directory")
 
 ops.add_entity(content, validate=False)
 ops.add_entities([content_a, content_b])
-ops.add_schema(type_id, schema)
+ops.add_schemas([schema_a, schema_b])
 ops.extract_id(content)
 ops.validate_id(gts_id)
 ops.parse_id(gts_id)
@@ -268,7 +268,7 @@ app = GtsHttpServer(ops=GtsOps()).app
 | `/entities/{gts_id}` | `GET` | Retrieves one entity. |
 | `/entities` | `POST` | Entity/schema body; optional `validate=true` runs full validation. Failed registration returns 422 and is rolled back. |
 | `/entities/bulk` | `POST` | JSON array of entity/schema objects. |
-| `/type-schemas` | `POST` | `{"type_id": "...~", "type_schema": {...}}`. |
+| `/type-schemas` | `POST` | JSON array of GTS Type Schema objects (batch); each entry's `type_id` is derived from its embedded `$id`. Returns `{"ok": ..., "results": [{"ok": ..., "type_id": ..., "error": ...}]}`. |
 | `/validate-id` | `GET` | `gts_id` query parameter. |
 | `/extract-id` | `POST` | JSON entity/schema object. |
 | `/parse-id` | `GET` | `gts_id` query parameter. |