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documentdb/pg_documentdb/include/metadata
Vinod Sridharan c5b5c71596 Merged PR 1712147: [Docs] Fix up docs and such to match contributing guide
### Does this PR have any customer impact?
No

### Type (Feature, Refactoring, Bugfix, DevOps, Testing, Perf, etc)
Refactor

### Does it involve schema level changes? (Table, Column, Index, UDF, etc level changes)
No

### Are you introducing any new config? If yes, do you have tests with and without them being set?
No

### ChangeLog (Refer [Template](../oss/CHANGELOG.md))

### Description
Fix up some more documentation and comments around the code.

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#### AI description  (iteration 1)
#### PR Classification
This PR performs a code and documentation cleanup by refactoring naming conventions and removing deprecated staging functions to align with the contributing guide.

#### PR Summary
The pull request removes obsolete C wrappers for staging collection operations and standardizes internal API naming from "MongoCatalog" to "ApiCatalog" while refining inline comments for clarity and consistency.
- **`src/metadata/collection.c` & `include/metadata/collection.h`**: Removed unused functions for handling staging collections during $out operations.
- **`src/metadata/metadata_cache.c` & `include/metadata/metadata_cache.h`**: Renamed functions and variables from "MongoCatalog" to "ApiCatalog" to standardize internal identifiers.
- **`src/aggregation/bson_aggregation_config_queries.c` & `src/aggregation/bson_aggregation_metadata_queries.c`**: Updated BSON aggregation queries to reference the new API naming.
- **`src/infrastructure/cursor_store.c`**: Enhanced documentation by updating comments and adding a shared memory structure for cursor tracking.
- **`src/metadata/index.c` & `src/index_am/rum.c`**: Applied minor comment corrections and removed outdated TODO notes for clarity.
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2025-07-09 18:56:11 +08:00
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