refactor(domain): split error taxonomy into thematic modules (#636)

Move each error family out of domain/errors.ts into its own module
(base, core, provider selection/adapter, browser observation,
artifact, evidence, unknown registry, hopper, configuration) and
relocate AnalysisErrorProjection to analysisErrorProjection.
Migrate all 162 importers to the owning modules and delete
errors.ts. No re-export shims; behavior is unchanged.

src/native/NativeMacOSProvider.ts

@@ -24,9 +24,9 @@ import {
   AnalysisCancelledError,
   AnalysisCapabilityUnavailableError,
   AnalysisOutputError,
-  ProviderAdapterError,
-  AnalysisError,
-} from "../domain/errors.js";
+} from "../domain/analysisErrorCore.js";
+import { ProviderAdapterError } from "../domain/providerAdapterError.js";
+import { AnalysisError } from "../domain/analysisErrorBase.js";
 import { jsonValueSchema, type JsonValue } from "../domain/jsonValue.js";
 import {
   demangleSwiftSchema,