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https://github.com/BigMarc/grammargem.git
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f5faa27f88
Native SwiftUI menu-bar app: global hotkey → capture selected text (AX API / clipboard fallback) → grammar (Harper) / local AI (MLX) → replace in place. Free/paid entitlement gate + Lemon Squeezy device-cap licensing, $0 marginal cost per user. Heavyweight engines behind protocol stubs so it builds out of the box. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
33 lines
1.2 KiB
Swift
33 lines
1.2 KiB
Swift
import Foundation
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/// Layer 2 — local-LLM-powered rewriting / tone / "Ask" / translate.
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///
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/// Backed in production by **MLX** (mlx-swift) running a small instruct model
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/// downloaded once from Hugging Face. The protocol isolates the rest of the app
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/// from the runtime so the UI, gating, and tests don't depend on MLX being present.
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protocol AIEngine: AnyObject {
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/// Whether a model is loaded and ready to run locally.
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var isReady: Bool { get }
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/// Run an action against `text` and return the rewritten result.
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/// Throws on model-not-ready or generation failure. Never performs network I/O.
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func run(_ action: AIAction, on text: String) async throws -> String
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/// Best-effort local tone classification (used by tone-detection UI).
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func detectTone(_ text: String) async -> Tone
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}
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enum AIEngineError: LocalizedError {
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case modelNotReady
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case generationFailed(String)
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var errorDescription: String? {
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switch self {
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case .modelNotReady:
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return "The on-device model isn't ready yet. Finish the first-run download in Settings."
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case .generationFailed(let why):
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return "On-device rewrite failed: \(why)"
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}
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}
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}
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