Feature/database support

[IND-Subu]

🚀 Feature: SQLite Database Support for BhaiLang

This PR introduces first-class SQLite database support to BhaiLang using better-sqlite3, enabling BhaiLang programs to interact with real databases while maintaining BhaiLang’s fun syntax and simplicity.

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✅ What This Adds

New Database Builtins

Function	Purpose
database_connect	Opens / creates a SQLite database file
database_execute	Runs INSERT / UPDATE / DELETE / CREATE queries
database_query	Fetches multiple rows
database_query_ek	Fetches a single row
database_close	Closes the database connection

Connections are tracked internally and reused per filename.

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🧠 Design Philosophy

• Keep BhaiLang simple
• Avoid complex JS objects in runtime
• Behave like statements, Bhai-style
• Meaningful output
• Safe argument validation

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💻 Example Usage

hi bhai

  database_connect bhai "test.db";

  database_execute bhai "test.db" 
    "CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY, naam TEXT, umar INTEGER)";

  database_execute bhai "test.db"
    "INSERT INTO users (naam, umar) VALUES ('Rahul', 25)";

  database_query bhai "test.db"
    "SELECT * FROM users";

  database_close bhai "test.db";

bye bhai

Sample Output

Attempting to connect to: test.db
Connected successfully: test.db
Query executed successfully
Found X rows bhai
[ { id: 1, naam: 'Rahul', umar: 25 } ]
Closed successfully

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🔧 CLI Build Fix

better-sqlite3 is a native addon and cannot be bundled inside a single file. To ensure stability, the CLI build was updated to externalize:

• better-sqlite3
• bindings

This prevents runtime crashes like:

Cannot read properties of null (reading 'indexOf')

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🛡️ Safety & Stability

• Argument validation
• Graceful runtime exceptions
• Ensures DB is connected before execution
• Safe cleanup
• Automatic DB creation support

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📌 Notes

• Docs build remains unaffected
• Works in Node CLI
• Backwards compatible

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🙏 Request

Kindly review and provide feedback. Happy to align syntax, naming, or behavior with BhaiLang’s philosophy.

Bhai ne DB ko bhi bhai bana diya 😎

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