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>

packages/model-core/src/model-capabilities/bundled-snapshot.ts

@@ -1,24 +1,14 @@
-import bundledModelCapabilitiesSnapshotJson from "../../../../src/generated/model-capabilities.generated.json"
-
 import { SUPPLEMENTAL_MODEL_CAPABILITIES } from "./supplemental-entries"
 import type { ModelCapabilitiesSnapshot } from "./types"
 
-function normalizeSnapshot(
-	snapshot: ModelCapabilitiesSnapshot | typeof bundledModelCapabilitiesSnapshotJson,
+export function getBundledModelCapabilitiesSnapshot(
+	snapshotJson: ModelCapabilitiesSnapshot,
 ): ModelCapabilitiesSnapshot {
-	return snapshot as ModelCapabilitiesSnapshot
-}
-
-const normalizedBundledSnapshot = normalizeSnapshot(bundledModelCapabilitiesSnapshotJson)
-
-const bundledModelCapabilitiesSnapshot: ModelCapabilitiesSnapshot = {
-	...normalizedBundledSnapshot,
-	models: {
-		...normalizedBundledSnapshot.models,
-		...SUPPLEMENTAL_MODEL_CAPABILITIES,
-	},
-}
-
-export function getBundledModelCapabilitiesSnapshot(): ModelCapabilitiesSnapshot {
-	return bundledModelCapabilitiesSnapshot
+	return {
+		...snapshotJson,
+		models: {
+			...snapshotJson.models,
+			...SUPPLEMENTAL_MODEL_CAPABILITIES,
+		},
+	}
 }

packages/model-core/src/model-capabilities/get-model-capabilities.ts

@@ -1,8 +1,6 @@
 import { resolveModelIDAlias } from "../model-capability-aliases"
 import { detectHeuristicModelFamily } from "../model-capability-heuristics"
-import type { ProviderCache } from "../provider-cache"
 
-import { getBundledModelCapabilitiesSnapshot } from "./bundled-snapshot"
 import {
 	readRuntimeModel,
 	readRuntimeModelLimitOutput,
@@ -38,9 +36,9 @@ export function getModelCapabilities(input: GetModelCapabilitiesInput): ModelCap
 		input.runtimeModel ?? input.providerCache?.findProviderModelMetadata(input.providerID, input.modelID),
 	)
 	const runtimeSnapshot = input.runtimeSnapshot
-	const bundledSnapshot = input.bundledSnapshot ?? getBundledModelCapabilitiesSnapshot()
+	const bundledSnapshot = input.bundledSnapshot
 	const snapshotEntry = runtimeSnapshot?.models?.[canonicalization.canonicalModelID]
-		?? bundledSnapshot.models[canonicalization.canonicalModelID]
+		?? bundledSnapshot?.models?.[canonicalization.canonicalModelID]
 	const heuristicFamily = detectHeuristicModelFamily(canonicalization.canonicalModelID)
 
 	const runtimeVariants = readRuntimeModelVariants(runtimeModel)
@@ -55,7 +53,7 @@ export function getModelCapabilities(input: GetModelCapabilitiesInput): ModelCap
 	const snapshotSource: ModelCapabilitiesDiagnostics["snapshot"]["source"] =
 		runtimeSnapshot?.models?.[canonicalization.canonicalModelID]
 			? "runtime-snapshot"
-			: bundledSnapshot.models[canonicalization.canonicalModelID]
+			: bundledSnapshot?.models?.[canonicalization.canonicalModelID]
 			? "bundled-snapshot"
 			: "none"
 	const familySource: ModelCapabilitiesDiagnostics["family"]["source"] =