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# Runtime split – Patch A
This patch introduces the runtime split scaffolding without performing the full behavioral cutover.
## Added
-`dip.runtime.mode` with values `LEGACY` / `NEW`
-`@ConditionalOnRuntimeMode`
-`DipSearchProperties` (`dip.search.*`)
-`LegacyTedProperties` (`legacy.ted.*`) as migration scaffold
- example `application-legacy.yml` and `application-new.yml`
## First gated beans
### LEGACY
-`GenericVectorizationRoute`
-`DocumentEmbeddingProcessingService`
-`ConfiguredEmbeddingModelStartupRunner`
-`GenericVectorizationStartupRunner`
### NEW
-`EmbeddingSubsystemStartupValidator`
-`PgVectorSemanticSearchEngine`
-`GenericSearchController`
## Intentional limitation of Patch A
This patch does **not** yet switch import/runtime orchestration to the new embedding job flow.
It only establishes the explicit runtime mode infrastructure and starts separating bean graphs.
## Follow-up patch (Patch B)
- add a NEW-mode embedding job scheduler
- make generic import enqueue new embedding jobs
- disable legacy vector route in NEW mode operationally
- move active search tuning from `ted.search.*` to `dip.search.*`