From 05dc2591554d5ca919f42e5050ba6055cc89d5c2 Mon Sep 17 00:00:00 2001
From: Felix Isaac Lim <38658663+FelixIsaac@users.noreply.github.com>
Date: Sat, 23 May 2026 11:32:36 +0800
Subject: [PATCH] feat: built-in slash commands + Ctrl+Shift+Space default
 hotkey

---
 src/main.ts                    |  2 +-
 src/modules/commands/parser.ts |  7 +++---
 src/modules/commands/source.ts | 41 ++++++++++++++++++++++++++++++++--
 src/settings.ts                |  6 ++++-
 4 files changed, 49 insertions(+), 7 deletions(-)

diff --git a/src/main.ts b/src/main.ts
index a125996..6f98a57 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -79,7 +79,7 @@ export default class InlineAIChatPlugin extends Plugin {
 					cmEditor.dispatch({ effects });
 				}
 			},
-			hotkeys: [],
+			hotkeys: [{ modifiers: ["Ctrl", "Shift"], key: " " }],
 		});
 		this.addCommand({
 			id: "accept-tooltip",
diff --git a/src/modules/commands/parser.ts b/src/modules/commands/parser.ts
index 5057279..e5af489 100644
--- a/src/modules/commands/parser.ts
+++ b/src/modules/commands/parser.ts
@@ -1,15 +1,16 @@
-import { SlashCommand } from "./source";
+import { SlashCommand, BUILT_IN_COMMANDS } from "./source";
 
 export function parseCommand(
 	userInput: string,
 	prefix: string,
 	customCommands: SlashCommand[],
 ): string {
-	for (const command of customCommands) {
+	const allCommands = [...BUILT_IN_COMMANDS, ...customCommands];
+	for (const command of allCommands) {
 		const commandPattern = `${prefix}${command.keyword}`;
 		if (userInput.includes(commandPattern)) {
 			return userInput.replace(commandPattern, command.prompt);
 		}
 	}
-	return userInput; // Return original text if no command matches
+	return userInput;
 }
diff --git a/src/modules/commands/source.ts b/src/modules/commands/source.ts
index 99410fa..6842d7b 100644
--- a/src/modules/commands/source.ts
+++ b/src/modules/commands/source.ts
@@ -17,6 +17,41 @@ export interface SlashCommand {
 	prompt: string;
 }
 
+export const BUILT_IN_COMMANDS: SlashCommand[] = [
+	{
+		keyword: "fix",
+		prompt: "Fix grammar, spelling, and punctuation. Keep the original meaning and style. Output only the corrected text.",
+	},
+	{
+		keyword: "shorter",
+		prompt: "Make this text more concise. Remove filler words and redundancy. Keep all key information. Output only the shortened text.",
+	},
+	{
+		keyword: "longer",
+		prompt: "Expand this text with more detail, examples, or explanation. Keep the same tone. Output only the expanded text.",
+	},
+	{
+		keyword: "formal",
+		prompt: "Rewrite this text in a formal, professional tone. Output only the rewritten text.",
+	},
+	{
+		keyword: "casual",
+		prompt: "Rewrite this text in a friendly, casual tone. Output only the rewritten text.",
+	},
+	{
+		keyword: "bullets",
+		prompt: "Convert this text into a clear bullet-point list using Obsidian markdown. Output only the bullet list.",
+	},
+	{
+		keyword: "summarize",
+		prompt: "Write a concise summary of this text in 2-3 sentences. Output only the summary.",
+	},
+	{
+		keyword: "continue",
+		prompt: "Continue writing from where this text ends, matching the tone and style. Output only the continuation — do not repeat existing text.",
+	},
+];
+
 // Factory function that creates a completion source with custom parameters
 function createSlashCommandSource(
 	options: {
@@ -28,12 +63,13 @@ function createSlashCommandSource(
 	},
 ) {
 	const { prefix, customCommands } = options;
+	const allCommands = [...BUILT_IN_COMMANDS, ...customCommands];
 	return (context: CompletionContext) => {
 		let word = context.matchBefore(new RegExp(`^\\${prefix}\\w*`));
 		if (!word || (word.from == word.to && !context.explicit)) return null;
 		return {
 			from: word.from + 1,
-			options: customCommands.map((cmd) => ({
+			options: allCommands.map((cmd) => ({
 				label: cmd.keyword,
 				type: undefined,
 				detail: cmd.prompt,
@@ -82,7 +118,8 @@ export function createSlashCommandHighlighter({
 			}
 
 			buildDecorations(view: EditorView) {
-				const keywords = customCommands
+				const allCommands = [...BUILT_IN_COMMANDS, ...customCommands];
+				const keywords = allCommands
 					.map((cmd) => cmd.keyword)
 					.join("|");
 				const regexp = new RegExp(`\\${prefix}(${keywords})\\b`, "g");
diff --git a/src/settings.ts b/src/settings.ts
index 9a0aa84..1f2d9d4 100644
--- a/src/settings.ts
+++ b/src/settings.ts
@@ -1,7 +1,7 @@
 import { App, PluginSettingTab, Setting, Notice } from "obsidian";
 import MyPlugin from "./main";
 import { cursorPrompt, selectionPrompt } from "./default_prompts";
-import { SlashCommand } from "./modules/commands/source";
+import { SlashCommand, BUILT_IN_COMMANDS } from "./modules/commands/source";
 import { startCodexOAuthFlow } from "./codex-auth";
 
 // Interface for the settings
@@ -414,6 +414,10 @@ export class InlineAISettingsTab extends PluginSettingTab {
 		containerEl.createEl("p", {
 			text: "Add your own custom commands. Triggered with the prefix defined in the Command Prefix setting.",
 		});
+		containerEl.createEl("p", {
+			text: `Built-in: ${BUILT_IN_COMMANDS.map((c) => this.plugin.settings.commandPrefix + c.keyword).join("  •  ")}`,
+			cls: "setting-item-description",
+		});
 
 		// Command Prefix setting
 		new Setting(containerEl)