Add basic wiki farm support

[SomeMWDev]

Summary by CodeRabbit

• New Features

  • Added farm install command to create and configure wiki databases with automatic privilege setup.

• Documentation

  • Updated README with installation instructions for the Rust version.
  • Added guidance on running the tool and PATH configuration steps.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 7b908624-e7ac-492b-aadf-ee1f0d96df1c

📥 Commits

Reviewing files that changed from the base of the PR and between bd3e9a1 and c116a8b.

📒 Files selected for processing (6)

• rs/README.md
• rs/src/main.rs
• rs/src/modules/db.rs
• rs/src/modules/farm.rs
• rs/src/modules/mod.rs
• rs/src/modules/reset.rs

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📝 Walkthrough

Walkthrough

Adds a new farm CLI module to create and prepare wiki databases, wires it into CLI dispatch, refactors DB drop/reset routines to accept explicit database names, and updates README with installation instructions for the Rust rewrite. (≤50 words)

Changes

Cohort / File(s)	Summary
Documentation rs/README.md	Added Installation steps, updated wording to state the Rust rewrite replaces the Python version, and added PATH fallback note.
CLI Entry & Module Registration rs/src/main.rs, rs/src/modules/mod.rs	Imported FarmArgs, added Modules::Farm(FarmArgs) variant and dispatch arms; registered pub(crate) mod farm;.
Farm feature rs/src/modules/farm.rs	New module exposing FarmArgs, FarmCommand, InstallArgs, and execute(config, farm_args); implements install flow: validate db name, create DB, grant privileges, print progress, and call reset.
Database helpers rs/src/modules/db.rs	Added pub fn drop_database(config: &MWUtilConfig, db: &str) and updated drop_mw_database to call it with resolved name.
Reset refactor rs/src/modules/reset.rs	Introduced reset_default_database(config), changed signature to reset_database(config, db, new), updated logic to operate on provided db, and adjusted flow for update/recreate when invoked after install.

Sequence Diagram

sequenceDiagram
    participant User
    participant CLI as CLI Handler
    participant Farm as Farm Module
    participant DB as Database
    participant Reset as Reset Module

    User->>CLI: run `mwutil farm install --db <name>`
    CLI->>Farm: execute(config, FarmArgs)
    Farm->>Farm: validate db_name ends with "wiki"
    alt valid
        Farm->>DB: CREATE DATABASE IF NOT EXISTS `<db>`
        DB-->>Farm: success/failure
        Farm->>DB: GRANT ALL PRIVILEGES ON `<db>`.* TO `<user>`
        DB-->>Farm: success/failure
        Farm-->>CLI: print "Created database."
        Farm->>Reset: reset_database(config, <db>, true)
        Reset->>DB: run update script (--wiki, --quick)
        alt new == false
            Reset->>DB: run recreate step
            DB-->>Reset: recreate result
        end
        Reset-->>Farm: reset result
        Farm-->>CLI: exit success
    else invalid
        Farm-->>CLI: exit error "db_name must end with 'wiki'"
    end
    CLI-->>User: show result

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Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

Possibly related PRs

• Add basic wiki farm support #69 — Implements the same "farm" feature and related file additions/updates (farm module, main dispatch, db/reset helpers).

Poem

🐰 I dug a little farm in code tonight,

Planted a wiki, made its rights take flight,
Grants were given, resets danced in tune,
Databases hum beneath the moon,
Hooray — the deploy carrots gleam so bright! 🌾✨

✨ Finishing Touches

• 📝 Generate docstrings (stacked PR)
• 📝 Generate docstrings (commit on current branch)

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feat/farm

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