chore: enqueue pending_prune_days on inserts

[outerlook]

Description

• Add idempotent enqueue of (stream_ref, day_index) into pending_prune_days on primitive and truflation batch inserts
• Ignore zero-value writes when enqueuing (keeps queue focused on effective changes)
• Consolidate to a single private helper helper_enqueue_prune_days(stream_refs INT[], event_times INT8[], values NUMERIC[])
• Make insert_record a thin wrapper over insert_records to unify behavior
• Keep schema constraints enforced: (stream_ref, day_index) PK; day_index >= 0

Related Problem

• fix Problem: Record insertion missing digest queue integration #1108

How Has This Been Tested?

• Added focused tests verifying presence and idempotency of queued days for both paths:
  • tests/streams/pending_prune_days_test.go
  • Covers primitive single/batch and truflation_insert_records
• Tests pass locally

Reviewer Pointers (files of interest)

• internal/migrations/901-utilities.sql: new helper_enqueue_prune_days (filtered) and cleanup
• internal/migrations/003-primitive-insertion.sql: enqueue on primitive insert_records; insert_record wraps
• internal/migrations/009-truflation-query.sql: enqueue on truflation batch path
• internal/migrations/normalization_migration/02_insert_actions.sql: enqueue for migration-compatible path
• tests/streams/pending_prune_days_test.go: minimal high-ROI coverage

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📥 Commits

Reviewing files that changed from the base of the PR and between 1c67faa and 573ba0f.

📒 Files selected for processing (6)

• internal/migrations/003-primitive-insertion.sql (2 hunks)
• internal/migrations/009-truflation-query.sql (1 hunks)
• internal/migrations/020-digest-actions.sql (1 hunks)
• internal/migrations/901-utilities.sql (1 hunks)
• internal/migrations/normalization_migration/02_insert_actions.sql (2 hunks)
• tests/streams/pending_prune_days_test.go (1 hunks)

✨ Finishing Touches

• 📝 Generate Docstrings

🧪 Generate unit tests

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch chore/insert-pending

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[holdex]

Time Submission Status

Member	Status	Time	Action	Last Update
@outerlook	❌ Missing	-	⚠️ Submit time	-
MicBun	✅ Submitted	20min	Update time	Aug 20, 2025, 4:35 PM