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amcs/changelog.md
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fix(loader): disable config file rewrite during startup
* migrate legacy schemas in memory only
* log hint to use amcs-migrate-config for persistence
2026-04-21 21:31:05 +02:00

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# Changelog
## 2026-04-21
### 2026-04-21 21h - Config Schema v2 Introduced
- Refactored configuration to schema version `2` with named AI providers and role-based model chains.
- Added support for per-role primary and fallback targets for embeddings and metadata.
- Added optional background role overrides for backfill and metadata retry workers.
### 2026-04-21 21h - Automatic v1 -> v2 Migration
- Added config migration framework with explicit schema versioning.
- Implemented `v1 -> v2` migration to transform legacy provider blocks into named providers + role chains.
- Loader now auto-migrates older config files, rewrites migrated YAML, and creates timestamped backups.
### 2026-04-21 21h - AI Registry and Role Runners
- Added `ai.Registry` to build provider clients from named provider config entries.
- Added `EmbeddingRunner` and `MetadataRunner` with sequential fallback execution.
- Added target health tracking with cooldowns for transient/permanent/empty-response failures.
### 2026-04-21 21h - App and Tool Wiring Updates
- Rewired app startup to use provider registry + role runners for foreground and background flows.
- Updated capture, search, summarize, context, recall, backfill, metadata retry, and reparse paths to use new runners.
- Preserved environment override behavior for provider credentials/endpoints across matching provider types.
### 2026-04-21 21h - Migrate Config CLI Added
- Added `cmd/amcs-migrate-config` CLI to migrate config files to the current schema version.
- Supports dry-run output and in-place write mode with automatic backup file creation.
### 2026-04-21 21h - Tests and Documentation Updated
- Added focused tests for config migration, AI registry behavior, and runner fallback behavior.
- Updated `configs/config.example.yaml` to the new v2 schema.
- Updated README configuration sections and migration guidance to reflect v2 and `amcs-migrate-config` usage.
### 2026-04-21 21h - Uncommitted File Change List
- Modified: `.gitignore`
- Modified: `README.md`
- Modified: `configs/config.example.yaml`
- Modified: `internal/ai/compat/client.go`
- Modified: `internal/ai/compat/client_test.go`
- Modified: `internal/app/app.go`
- Modified: `internal/config/config.go`
- Modified: `internal/config/loader.go`
- Modified: `internal/config/loader_test.go`
- Modified: `internal/config/validate.go`
- Modified: `internal/config/validate_test.go`
- Modified: `internal/mcpserver/server.go`
- Modified: `internal/mcpserver/streamable_integration_test.go`
- Modified: `internal/tools/backfill.go`
- Modified: `internal/tools/capture.go`
- Modified: `internal/tools/context.go`
- Modified: `internal/tools/enrichment_retry.go`
- Modified: `internal/tools/links.go`
- Modified: `internal/tools/metadata_retry.go`
- Modified: `internal/tools/recall.go`
- Modified: `internal/tools/reparse_metadata.go`
- Modified: `internal/tools/retrieval.go`
- Modified: `internal/tools/search.go`
- Modified: `internal/tools/summarize.go`
- Modified: `internal/tools/update.go`
- Deleted: `internal/ai/factory.go`
- Deleted: `internal/ai/factory_test.go`
- Deleted: `internal/ai/litellm/client.go`
- Deleted: `internal/ai/ollama/client.go`
- Deleted: `internal/ai/openrouter/client.go`
- Deleted: `internal/ai/provider.go`
- New: `changelog.md`
- New: `cmd/amcs-migrate-config/main.go`
- New: `internal/ai/registry.go`
- New: `internal/ai/registry_test.go`
- New: `internal/ai/runner.go`
- New: `internal/ai/runner_test.go`
- New: `internal/config/migrate.go`
- New: `internal/config/migrate_test.go`
### 2026-04-21 21h - Docker Support for Config Migration CLI
- Added `amcs-migrate-config` binary to the Docker image build output.
- Added `migrate-config` service in `docker-compose.yml` under the `tools` profile.
- Documented compose-based migration commands (dry-run and in-place apply) in the README.
### 2026-04-21 21h - Startup Migration Write Disabled
- Changed config loading to migrate legacy schemas in memory only during startup.
- Removed automatic file rewrite and backup creation from the startup config loader.
- Added loader log hint to use `amcs-migrate-config` when persistent conversion is needed.