improve search query

[ChuckHend]

• remove redundant operations in query to improve query perf
• add standalone worker binary to build for scaling out worker count
• fix delete job bug (wrong pgmq table name)

[Copilot]

Pull Request Overview

This PR improves search query performance, adds a standalone worker binary for scaling, and fixes a bug in the delete job functionality.

• Optimized hybrid search query by removing unused window function calculations (COUNT(*) OVER ())
• Added standalone vectorize-worker binary to enable independent worker scaling
• Fixed PGMQ table name in job cleanup from pgmq.vectorize_jobs to pgmq.q_vectorize_jobs

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
core/src/query.rs	Simplified hybrid search query by removing redundant COUNT(*) OVER () calculations and replacing CASE WHEN with COALESCE for cleaner null handling
core/src/init.rs	Fixed PGMQ table name in cleanup_job to use the correct q_vectorize_jobs table
server/Cargo.toml	Added binary definition for the new standalone worker
server/Dockerfile	Added build and copy steps for the vectorize-worker binary to enable separate deployment
server/tests/tests.rs	Refactored test to use common helper function for table creation, reducing code duplication

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[Copilot]

Pull Request Overview

Copilot reviewed 5 out of 5 changed files in this pull request and generated no new comments.

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