refactor(model-core): inject bundled capabilities snapshot from harness

- remove bundled snapshot dependency on src/generated in model-core

- make shared harness provide runtime bundled snapshot

- update guardrail and capability tests to pass explicit snapshot

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/shared/model-capability-guardrails.ts

@@ -1,5 +1,22 @@
-export type { ModelCapabilityGuardrailIssue } from "@oh-my-opencode/model-core"
-export {
-  getBuiltInRequirementModelIDs,
-  collectModelCapabilityGuardrailIssues,
+import {
+	collectModelCapabilityGuardrailIssues as collectModelCapabilityGuardrailIssuesFromCore,
+	getBuiltInRequirementModelIDs,
 } from "@oh-my-opencode/model-core"
+import type {
+	ModelCapabilityGuardrailIssue,
+	ModelCapabilitiesSnapshot,
+} from "@oh-my-opencode/model-core"
+import { getBundledModelCapabilitiesSnapshotForRuntime } from "./model-capabilities"
+
+export { getBuiltInRequirementModelIDs }
+export type { ModelCapabilityGuardrailIssue }
+
+export function collectModelCapabilityGuardrailIssues(input: {
+	snapshot?: ModelCapabilitiesSnapshot
+	requirementModelIDs?: Iterable<string>
+} = {}): ModelCapabilityGuardrailIssue[] {
+	return collectModelCapabilityGuardrailIssuesFromCore({
+		...input,
+		snapshot: input.snapshot ?? getBundledModelCapabilitiesSnapshotForRuntime(),
+	})
+}