feat: init detects existing Data/*.sql files and proposes trackedTables

[Copilot]

• Scan Data/*.sql files in InitCommand.Execute and extract table names via SyncCommandService.TryParseDataFileName
• In interactive mode: show proposed trackedTables list and ask for confirmation before adding to config
• In non-interactive mode: auto-include discovered tables in config (no prompt available)
• Update InitResult record to carry TrackedTables added during init
• Update OutputFormatter.WriteInit to show added tracked tables (plain-text and JSON)
• Add tests for the new behavior (files found + confirm, files found + decline, no files, malformed filenames)
• Update CHANGELOG.md
• Code review feedback applied (rename method, simplify null check)
• Update specs/01-cli.md with full init Data/*.sql scan behavior spec
• Update README.md selective data scripting section
• Update PACKAGE_README.md selective data scripting section
• Integrate main (resolve CHANGELOG conflict, all 290 tests pass)

[zacateras]

Verify if there is a need to update specs/* (cli?), README.md and PACKAGE_README.md.

[Copilot]

Verify if there is a need to update specs/* (cli?), README.md and PACKAGE_README.md.

Updated in 31452a4:

• specs/01-cli.md: added full behavior spec for the Data/*.sql scan under the init section (interactive vs. non-interactive, confirmation prompt, no-files fallback)
• README.md: added a bullet in the "Selective data scripting" section describing the init-time scanning behavior
• PACKAGE_README.md: same addition to the "Selective Data Scripting" section

[zacateras]

@copilot integrate main

[Copilot]

@copilot integrate main

Done — merged origin/main into this branch in 6e194fc. The CHANGELOG conflict was resolved by keeping both sets of ### Added entries. All 290 tests pass.

Warning

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• non-existent-server-for-auth-test
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