From c333fcec32b1f90bf0da6bb14d2609c20e38a74f Mon Sep 17 00:00:00 2001
From: Adam Malczewski <github@tradam.dev>
Date: Fri, 26 Jun 2026 22:21:55 +0900
Subject: style: switch from tabs to 2-space indentation (incl. svelte)

---
 src/features/system-prompt/index.ts                |  18 +-
 .../system-prompt/logic/view-model.test.ts         | 148 +++----
 src/features/system-prompt/logic/view-model.ts     |  74 ++--
 .../system-prompt/ui/SystemPromptBuilder.svelte    | 467 +++++++++++----------
 4 files changed, 354 insertions(+), 353 deletions(-)

(limited to 'src/features/system-prompt')

diff --git a/src/features/system-prompt/index.ts b/src/features/system-prompt/index.ts
index 7c77675..661b341 100644
--- a/src/features/system-prompt/index.ts
+++ b/src/features/system-prompt/index.ts
@@ -1,17 +1,17 @@
 export type {
-	LoadSystemPrompt,
-	LoadSystemPromptVariables,
-	SaveSystemPrompt,
-	SystemPromptLoadResult,
-	SystemPromptSaveResult,
-	SystemPromptVariablesResult,
-	VariableGroup,
+  LoadSystemPrompt,
+  LoadSystemPromptVariables,
+  SaveSystemPrompt,
+  SystemPromptLoadResult,
+  SystemPromptSaveResult,
+  SystemPromptVariablesResult,
+  VariableGroup,
 } from "./logic/view-model";
 export { buildTag, groupVariables, insertTag } from "./logic/view-model";
 export { default as SystemPromptBuilder } from "./ui/SystemPromptBuilder.svelte";
 
 /** Public module manifest — aggregated by the shell's "Loaded Modules" view. */
 export const manifest = {
-	name: "system-prompt",
-	description: "Global system prompt template builder with variable placeholders",
+  name: "system-prompt",
+  description: "Global system prompt template builder with variable placeholders",
 } as const;
diff --git a/src/features/system-prompt/logic/view-model.test.ts b/src/features/system-prompt/logic/view-model.test.ts
index a0736cc..223327b 100644
--- a/src/features/system-prompt/logic/view-model.test.ts
+++ b/src/features/system-prompt/logic/view-model.test.ts
@@ -1,90 +1,90 @@
 import type { SystemPromptVariable } from "@dispatch/transport-contract";
 import { describe, expect, it } from "vitest";
 import {
-	buildIfNotTag,
-	buildIfTag,
-	buildTag,
-	groupVariables,
-	insertTag,
-	isDynamicVariable,
+  buildIfNotTag,
+  buildIfTag,
+  buildTag,
+  groupVariables,
+  insertTag,
+  isDynamicVariable,
 } from "./view-model";
 
 describe("system-prompt view-model", () => {
-	describe("buildTag", () => {
-		it("builds a variable placeholder", () => {
-			expect(buildTag("system", "time")).toBe("[system:time]");
-		});
-	});
+  describe("buildTag", () => {
+    it("builds a variable placeholder", () => {
+      expect(buildTag("system", "time")).toBe("[system:time]");
+    });
+  });
 
-	describe("buildIfTag", () => {
-		it("builds an opening conditional tag", () => {
-			expect(buildIfTag("file", "AGENTS.md")).toBe("[if file:AGENTS.md]");
-		});
-	});
+  describe("buildIfTag", () => {
+    it("builds an opening conditional tag", () => {
+      expect(buildIfTag("file", "AGENTS.md")).toBe("[if file:AGENTS.md]");
+    });
+  });
 
-	describe("buildIfNotTag", () => {
-		it("builds a negated opening conditional tag", () => {
-			expect(buildIfNotTag("prompt", "cwd")).toBe("[if !prompt:cwd]");
-		});
-	});
+  describe("buildIfNotTag", () => {
+    it("builds a negated opening conditional tag", () => {
+      expect(buildIfNotTag("prompt", "cwd")).toBe("[if !prompt:cwd]");
+    });
+  });
 
-	describe("insertTag", () => {
-		it("inserts a tag at the cursor position", () => {
-			expect(insertTag("Hello world", "[system:time]", 5, 5)).toEqual({
-				template: "Hello[system:time] world",
-				cursor: 18,
-			});
-		});
+  describe("insertTag", () => {
+    it("inserts a tag at the cursor position", () => {
+      expect(insertTag("Hello world", "[system:time]", 5, 5)).toEqual({
+        template: "Hello[system:time] world",
+        cursor: 18,
+      });
+    });
 
-		it("replaces the selected text", () => {
-			const tag = buildTag("file", "README.md");
-			expect(insertTag("Hello world", tag, 6, 11)).toEqual({
-				template: `Hello ${tag}`,
-				cursor: 6 + tag.length,
-			});
-		});
+    it("replaces the selected text", () => {
+      const tag = buildTag("file", "README.md");
+      expect(insertTag("Hello world", tag, 6, 11)).toEqual({
+        template: `Hello ${tag}`,
+        cursor: 6 + tag.length,
+      });
+    });
 
-		it("inserts at the end", () => {
-			const tag = buildTag("git", "branch");
-			expect(insertTag("", tag, 0, 0)).toEqual({
-				template: tag,
-				cursor: tag.length,
-			});
-		});
-	});
+    it("inserts at the end", () => {
+      const tag = buildTag("git", "branch");
+      expect(insertTag("", tag, 0, 0)).toEqual({
+        template: tag,
+        cursor: tag.length,
+      });
+    });
+  });
 
-	describe("groupVariables", () => {
-		it("groups by type in first-appearing order", () => {
-			const variables: SystemPromptVariable[] = [
-				{ type: "system", name: "time", description: "" },
-				{ type: "prompt", name: "cwd", description: "" },
-				{ type: "system", name: "date", description: "" },
-				{ type: "git", name: "branch", description: "" },
-			];
-			const groups = groupVariables(variables);
-			expect(groups.map((g) => g.type)).toEqual(["system", "prompt", "git"]);
-			expect(groups[0]?.variables.map((v) => v.name)).toEqual(["time", "date"]);
-			expect(groups[1]?.variables.map((v) => v.name)).toEqual(["cwd"]);
-			expect(groups[2]?.variables.map((v) => v.name)).toEqual(["branch"]);
-		});
+  describe("groupVariables", () => {
+    it("groups by type in first-appearing order", () => {
+      const variables: SystemPromptVariable[] = [
+        { type: "system", name: "time", description: "" },
+        { type: "prompt", name: "cwd", description: "" },
+        { type: "system", name: "date", description: "" },
+        { type: "git", name: "branch", description: "" },
+      ];
+      const groups = groupVariables(variables);
+      expect(groups.map((g) => g.type)).toEqual(["system", "prompt", "git"]);
+      expect(groups[0]?.variables.map((v) => v.name)).toEqual(["time", "date"]);
+      expect(groups[1]?.variables.map((v) => v.name)).toEqual(["cwd"]);
+      expect(groups[2]?.variables.map((v) => v.name)).toEqual(["branch"]);
+    });
 
-		it("returns an empty array when no variables", () => {
-			expect(groupVariables([])).toEqual([]);
-		});
-	});
+    it("returns an empty array when no variables", () => {
+      expect(groupVariables([])).toEqual([]);
+    });
+  });
 
-	describe("isDynamicVariable", () => {
-		it("returns true when dynamic is true", () => {
-			expect(
-				isDynamicVariable({ type: "file", name: "path", description: "", dynamic: true }),
-			).toBe(true);
-		});
+  describe("isDynamicVariable", () => {
+    it("returns true when dynamic is true", () => {
+      expect(
+        isDynamicVariable({ type: "file", name: "path", description: "", dynamic: true }),
+      ).toBe(true);
+    });
 
-		it("returns false when dynamic is missing or false", () => {
-			expect(isDynamicVariable({ type: "system", name: "time", description: "" })).toBe(false);
-			expect(
-				isDynamicVariable({ type: "system", name: "time", description: "", dynamic: false }),
-			).toBe(false);
-		});
-	});
+    it("returns false when dynamic is missing or false", () => {
+      expect(isDynamicVariable({ type: "system", name: "time", description: "" })).toBe(false);
+      expect(
+        isDynamicVariable({ type: "system", name: "time", description: "", dynamic: false }),
+      ).toBe(false);
+    });
+  });
 });
diff --git a/src/features/system-prompt/logic/view-model.ts b/src/features/system-prompt/logic/view-model.ts
index 6924208..e202ee3 100644
--- a/src/features/system-prompt/logic/view-model.ts
+++ b/src/features/system-prompt/logic/view-model.ts
@@ -14,20 +14,20 @@ import type { SystemPromptVariable } from "@dispatch/transport-contract";
 // ── Injected ports (composition root adapts the store to these shapes) ─────────
 
 export type SystemPromptLoadResult =
-	| { readonly ok: true; readonly template: string }
-	| { readonly ok: false; readonly error: string };
+  | { readonly ok: true; readonly template: string }
+  | { readonly ok: false; readonly error: string };
 
 export type LoadSystemPrompt = () => Promise<SystemPromptLoadResult>;
 
 export type SystemPromptSaveResult =
-	| { readonly ok: true; readonly template: string }
-	| { readonly ok: false; readonly error: string };
+  | { readonly ok: true; readonly template: string }
+  | { readonly ok: false; readonly error: string };
 
 export type SaveSystemPrompt = (template: string) => Promise<SystemPromptSaveResult>;
 
 export type SystemPromptVariablesResult =
-	| { readonly ok: true; readonly variables: readonly SystemPromptVariable[] }
-	| { readonly ok: false; readonly error: string };
+  | { readonly ok: true; readonly variables: readonly SystemPromptVariable[] }
+  | { readonly ok: false; readonly error: string };
 
 export type LoadSystemPromptVariables = () => Promise<SystemPromptVariablesResult>;
 
@@ -35,24 +35,24 @@ export type LoadSystemPromptVariables = () => Promise<SystemPromptVariablesResul
 
 /** Build the literal placeholder `[type:name]` for a variable. */
 export function buildTag(type: string, name: string): string {
-	return `[${type}:${name}]`;
+  return `[${type}:${name}]`;
 }
 
 /** Build the literal placeholder `[if type:name]` for a conditional block. */
 export function buildIfTag(type: string, name: string): string {
-	return `[if ${type}:${name}]`;
+  return `[if ${type}:${name}]`;
 }
 
 /** Build the literal placeholder `[if !type:name]` for a negated conditional block. */
 export function buildIfNotTag(type: string, name: string): string {
-	return `[if !${type}:${name}]`;
+  return `[if !${type}:${name}]`;
 }
 
 export interface Insertion {
-	/** Template text after insertion. */
-	template: string;
-	/** New cursor position (caret index) after insertion. */
-	cursor: number;
+  /** Template text after insertion. */
+  template: string;
+  /** New cursor position (caret index) after insertion. */
+  cursor: number;
 }
 
 /**
@@ -61,24 +61,24 @@ export interface Insertion {
  * the caller can restore the caret after the inserted tag.
  */
 export function insertTag(
-	template: string,
-	tag: string,
-	selectionStart: number,
-	selectionEnd: number,
+  template: string,
+  tag: string,
+  selectionStart: number,
+  selectionEnd: number,
 ): Insertion {
-	const before = template.slice(0, selectionStart);
-	const after = template.slice(selectionEnd);
-	const next = before + tag + after;
-	return { template: next, cursor: selectionStart + tag.length };
+  const before = template.slice(0, selectionStart);
+  const after = template.slice(selectionEnd);
+  const next = before + tag + after;
+  return { template: next, cursor: selectionStart + tag.length };
 }
 
 // ── Variable grouping ─────────────────────────────────────────────────────────
 
 export interface VariableGroup {
-	/** Variable type (e.g. `"system"`, `"file"`, `"prompt"`, `"git"`). */
-	readonly type: string;
-	/** Variables of this type. */
-	readonly variables: readonly SystemPromptVariable[];
+  /** Variable type (e.g. `"system"`, `"file"`, `"prompt"`, `"git"`). */
+  readonly type: string;
+  /** Variables of this type. */
+  readonly variables: readonly SystemPromptVariable[];
 }
 
 /**
@@ -86,21 +86,21 @@ export interface VariableGroup {
  * group and the order of first-appearing types.
  */
 export function groupVariables(
-	variables: readonly SystemPromptVariable[],
+  variables: readonly SystemPromptVariable[],
 ): readonly VariableGroup[] {
-	const order: string[] = [];
-	const map = new Map<string, SystemPromptVariable[]>();
-	for (const v of variables) {
-		if (!map.has(v.type)) {
-			map.set(v.type, []);
-			order.push(v.type);
-		}
-		map.get(v.type)?.push(v);
-	}
-	return order.map((type) => ({ type, variables: map.get(type) ?? [] }));
+  const order: string[] = [];
+  const map = new Map<string, SystemPromptVariable[]>();
+  for (const v of variables) {
+    if (!map.has(v.type)) {
+      map.set(v.type, []);
+      order.push(v.type);
+    }
+    map.get(v.type)?.push(v);
+  }
+  return order.map((type) => ({ type, variables: map.get(type) ?? [] }));
 }
 
 /** Whether a variable is "dynamic" (any name is valid, e.g. `file:<path>`). */
 export function isDynamicVariable(variable: SystemPromptVariable): boolean {
-	return variable.dynamic === true;
+  return variable.dynamic === true;
 }
diff --git a/src/features/system-prompt/ui/SystemPromptBuilder.svelte b/src/features/system-prompt/ui/SystemPromptBuilder.svelte
index 4e07317..2e92e26 100644
--- a/src/features/system-prompt/ui/SystemPromptBuilder.svelte
+++ b/src/features/system-prompt/ui/SystemPromptBuilder.svelte
@@ -1,242 +1,243 @@
 <script lang="ts">
-	import type { SystemPromptVariable } from "@dispatch/transport-contract";
-	import { tick, untrack } from "svelte";
-	import {
-		buildTag,
-		groupVariables,
-		insertTag,
-		isDynamicVariable,
-		type LoadSystemPrompt,
-		type LoadSystemPromptVariables,
-		type SaveSystemPrompt,
-	} from "../logic/view-model";
-
-	let {
-		loadPrompt,
-		savePrompt,
-		loadVariables,
-		onClose,
-	}: {
-		loadPrompt: LoadSystemPrompt;
-		savePrompt: SaveSystemPrompt;
-		loadVariables: LoadSystemPromptVariables;
-		onClose: () => void;
-	} = $props();
-
-	let value = $state("");
-	let loadedTemplate = $state("");
-	let loading = $state(false);
-	let saving = $state(false);
-	let error = $state<string | null>(null);
-	let justSaved = $state(false);
-	let variables = $state<readonly SystemPromptVariable[]>([]);
-	let filePath = $state("");
-	let textarea: HTMLTextAreaElement | null = null;
-
-	const groups = $derived(groupVariables(variables));
-	const hasChanges = $derived(value !== loadedTemplate);
-
-	async function load() {
-		untrack(() => {
-			loading = true;
-			error = null;
-		});
-
-		const [templateResult, variablesResult] = await Promise.all([loadPrompt(), loadVariables()]);
-
-		loading = false;
-
-		if (!templateResult.ok || !variablesResult.ok) {
-			const parts: string[] = [];
-			if (!templateResult.ok) parts.push(templateResult.error);
-			if (!variablesResult.ok) parts.push(variablesResult.error);
-			error = parts.join("; ");
-			return;
-		}
-
-		value = templateResult.template;
-		loadedTemplate = templateResult.template;
-		variables = variablesResult.variables;
-	}
-
-	async function save() {
-		if (saving || loading) return;
-		saving = true;
-		error = null;
-		justSaved = false;
-		const result = await savePrompt(value);
-		saving = false;
-		if (!result.ok) {
-			error = result.error;
-			return;
-		}
-		loadedTemplate = result.template;
-		value = result.template;
-		justSaved = true;
-	}
-
-	function reset() {
-		value = loadedTemplate;
-		error = null;
-		justSaved = false;
-	}
-
-	async function insertTagAtCursor(tag: string) {
-		if (textarea === null) return;
-		const start = textarea.selectionStart;
-		const end = textarea.selectionEnd;
-		const insertion = insertTag(value, tag, start, end);
-		value = insertion.template;
-		await tick();
-		textarea.focus();
-		textarea.setSelectionRange(insertion.cursor, insertion.cursor);
-	}
-
-	async function insertFileVariable(type: string) {
-		const path = filePath.trim();
-		if (path.length === 0) return;
-		await insertTagAtCursor(buildTag(type, path));
-		filePath = "";
-	}
-
-	function onKeydown(e: KeyboardEvent) {
-		if (e.key === "Escape") onClose();
-	}
-
-	// Load on mount once.
-	$effect(() => {
-		void load();
-	});
+  import type { SystemPromptVariable } from "@dispatch/transport-contract";
+  import { tick, untrack } from "svelte";
+  import {
+    buildTag,
+    groupVariables,
+    insertTag,
+    isDynamicVariable,
+    type LoadSystemPrompt,
+    type LoadSystemPromptVariables,
+    type SaveSystemPrompt,
+  } from "../logic/view-model";
+
+  let {
+    loadPrompt,
+    savePrompt,
+    loadVariables,
+    onClose,
+  }: {
+    loadPrompt: LoadSystemPrompt;
+    savePrompt: SaveSystemPrompt;
+    loadVariables: LoadSystemPromptVariables;
+    onClose: () => void;
+  } = $props();
+
+  let value = $state("");
+  let loadedTemplate = $state("");
+  let loading = $state(false);
+  let saving = $state(false);
+  let error = $state<string | null>(null);
+  let justSaved = $state(false);
+  let variables = $state<readonly SystemPromptVariable[]>([]);
+  let filePath = $state("");
+  let textarea: HTMLTextAreaElement | null = null;
+
+  const groups = $derived(groupVariables(variables));
+  const hasChanges = $derived(value !== loadedTemplate);
+
+  async function load() {
+    untrack(() => {
+      loading = true;
+      error = null;
+    });
+
+    const [templateResult, variablesResult] = await Promise.all([loadPrompt(), loadVariables()]);
+
+    loading = false;
+
+    if (!templateResult.ok || !variablesResult.ok) {
+      const parts: string[] = [];
+      if (!templateResult.ok) parts.push(templateResult.error);
+      if (!variablesResult.ok) parts.push(variablesResult.error);
+      error = parts.join("; ");
+      return;
+    }
+
+    value = templateResult.template;
+    loadedTemplate = templateResult.template;
+    variables = variablesResult.variables;
+  }
+
+  async function save() {
+    if (saving || loading) return;
+    saving = true;
+    error = null;
+    justSaved = false;
+    const result = await savePrompt(value);
+    saving = false;
+    if (!result.ok) {
+      error = result.error;
+      return;
+    }
+    loadedTemplate = result.template;
+    value = result.template;
+    justSaved = true;
+  }
+
+  function reset() {
+    value = loadedTemplate;
+    error = null;
+    justSaved = false;
+  }
+
+  async function insertTagAtCursor(tag: string) {
+    if (textarea === null) return;
+    const start = textarea.selectionStart;
+    const end = textarea.selectionEnd;
+    const insertion = insertTag(value, tag, start, end);
+    value = insertion.template;
+    await tick();
+    textarea.focus();
+    textarea.setSelectionRange(insertion.cursor, insertion.cursor);
+  }
+
+  async function insertFileVariable(type: string) {
+    const path = filePath.trim();
+    if (path.length === 0) return;
+    await insertTagAtCursor(buildTag(type, path));
+    filePath = "";
+  }
+
+  function onKeydown(e: KeyboardEvent) {
+    if (e.key === "Escape") onClose();
+  }
+
+  // Load on mount once.
+  $effect(() => {
+    void load();
+  });
 </script>
 
 <svelte:window onkeydown={onKeydown} />
 
 <!-- svelte-ignore a11y_no_static_element_interactions -->
 <div
-	class="fixed inset-0 z-50 flex items-center justify-center bg-black/50 p-4"
-	role="dialog"
-	aria-modal="true"
-	aria-label="System prompt builder"
-	tabindex="-1"
-	onclick={onClose}
-	onkeydown={onKeydown}
+  class="fixed inset-0 z-50 flex items-center justify-center bg-black/50 p-4"
+  role="dialog"
+  aria-modal="true"
+  aria-label="System prompt builder"
+  tabindex="-1"
+  onclick={onClose}
+  onkeydown={onKeydown}
 >
-	<!-- svelte-ignore a11y_click_events_have_key_events, a11y_no_static_element_interactions -->
-	<div
-		class="flex h-[85vh] w-full max-w-6xl flex-col overflow-hidden rounded-box bg-base-100 shadow-2xl"
-		onclick={(e) => e.stopPropagation()}
-	>
-		<!-- Header -->
-		<div class="flex shrink-0 items-center justify-between border-b border-base-300 px-4 py-3">
-			<div class="flex items-center gap-2">
-				<h2 class="text-sm font-semibold">System Prompt</h2>
-				{#if loading}
-					<span class="loading loading-spinner loading-xs"></span>
-				{/if}
-			</div>
-			<button
-				type="button"
-				class="btn btn-ghost btn-sm btn-square"
-				onclick={onClose}
-				aria-label="Close system prompt builder"
-			>
-				✕
-			</button>
-		</div>
-
-		<!-- Body: half editor / half variables -->
-		<div class="flex min-h-0 flex-1">
-			<!-- Left: template editor -->
-			<div class="flex w-1/2 min-w-0 flex-col gap-2 border-r border-base-300 p-4">
-				<textarea
-					bind:this={textarea}
-					bind:value
-					class="textarea textarea-bordered min-h-0 w-full flex-1 resize-none font-mono text-xs"
-					placeholder={loading ? "Loading template..." : "Edit the global system prompt template..."}
-					disabled={loading}
-					aria-label="System prompt template"
-				></textarea>
-
-				<div class="flex shrink-0 items-center gap-2">
-					<button
-						type="button"
-						class="btn btn-primary btn-sm"
-						disabled={loading || saving || !hasChanges}
-						onclick={save}
-					>
-						{#if saving}
-							<span class="loading loading-spinner loading-xs"></span>
-						{:else}
-							Save
-						{/if}
-					</button>
-					<button
-						type="button"
-						class="btn btn-ghost btn-sm"
-						disabled={loading || !hasChanges}
-						onclick={reset}
-					>
-						Reset
-					</button>
-					{#if justSaved && !hasChanges}
-						<span class="text-xs text-success">Saved.</span>
-					{:else if hasChanges}
-						<span class="text-xs opacity-60">Unsaved changes</span>
-					{/if}
-				</div>
-
-				{#if error}
-					<p class="shrink-0 text-xs text-error">{error}</p>
-				{/if}
-			</div>
-
-			<!-- Right: variable palette -->
-			<div class="flex w-1/2 min-w-0 flex-col overflow-y-auto p-4">
-				<h3 class="mb-2 shrink-0 text-xs font-semibold uppercase opacity-60">Variables</h3>
-				{#if groups.length === 0 && !loading}
-					<p class="text-xs opacity-60">No variables available.</p>
-				{/if}
-				<div class="flex flex-col gap-3">
-					{#each groups as group (group.type)}
-						<div class="rounded-box bg-base-200 p-3">
-							<span class="text-xs font-semibold uppercase opacity-70">{group.type}</span>
-							<div class="mt-2 flex flex-wrap gap-1">
-								{#each group.variables as variable (variable.type + variable.name)}
-									{#if isDynamicVariable(variable)}
-										<div class="flex items-center gap-1">
-											<input
-												type="text"
-												class="input input-bordered input-xs w-32 font-mono"
-												bind:value={filePath}
-												placeholder={variable.name}
-												onkeydown={(e) => {
-													if (e.key === "Enter") void insertFileVariable(variable.type);
-												}}
-											/>
-											<button
-												type="button"
-												class="btn btn-xs"
-												onclick={() => void insertFileVariable(variable.type)}
-											>
-												Insert
-											</button>
-										</div>
-									{:else}
-										<button
-											type="button"
-											class="btn btn-xs"
-											title={variable.description}
-											onclick={() => void insertTagAtCursor(buildTag(variable.type, variable.name))}
-										>
-											{variable.name}
-										</button>
-									{/if}
-								{/each}
-							</div>
-						</div>
-					{/each}
-				</div>
-			</div>
-		</div>
-	</div>
+  <!-- svelte-ignore a11y_click_events_have_key_events, a11y_no_static_element_interactions -->
+  <div
+    class="flex h-[85vh] w-full max-w-6xl flex-col overflow-hidden rounded-box bg-base-100 shadow-2xl"
+    onclick={(e) => e.stopPropagation()}
+  >
+    <!-- Header -->
+    <div class="flex shrink-0 items-center justify-between border-b border-base-300 px-4 py-3">
+      <div class="flex items-center gap-2">
+        <h2 class="text-sm font-semibold">System Prompt</h2>
+        {#if loading}
+          <span class="loading loading-spinner loading-xs"></span>
+        {/if}
+      </div>
+      <button
+        type="button"
+        class="btn btn-ghost btn-sm btn-square"
+        onclick={onClose}
+        aria-label="Close system prompt builder"
+      >
+        ✕
+      </button>
+    </div>
+
+    <!-- Body: half editor / half variables -->
+    <div class="flex min-h-0 flex-1">
+      <!-- Left: template editor -->
+      <div class="flex w-1/2 min-w-0 flex-col gap-2 border-r border-base-300 p-4">
+        <textarea
+          bind:this={textarea}
+          bind:value
+          class="textarea textarea-bordered min-h-0 w-full flex-1 resize-none font-mono text-xs"
+          placeholder={loading
+            ? "Loading template..."
+            : "Edit the global system prompt template..."}
+          disabled={loading}
+          aria-label="System prompt template"></textarea>
+
+        <div class="flex shrink-0 items-center gap-2">
+          <button
+            type="button"
+            class="btn btn-primary btn-sm"
+            disabled={loading || saving || !hasChanges}
+            onclick={save}
+          >
+            {#if saving}
+              <span class="loading loading-spinner loading-xs"></span>
+            {:else}
+              Save
+            {/if}
+          </button>
+          <button
+            type="button"
+            class="btn btn-ghost btn-sm"
+            disabled={loading || !hasChanges}
+            onclick={reset}
+          >
+            Reset
+          </button>
+          {#if justSaved && !hasChanges}
+            <span class="text-xs text-success">Saved.</span>
+          {:else if hasChanges}
+            <span class="text-xs opacity-60">Unsaved changes</span>
+          {/if}
+        </div>
+
+        {#if error}
+          <p class="shrink-0 text-xs text-error">{error}</p>
+        {/if}
+      </div>
+
+      <!-- Right: variable palette -->
+      <div class="flex w-1/2 min-w-0 flex-col overflow-y-auto p-4">
+        <h3 class="mb-2 shrink-0 text-xs font-semibold uppercase opacity-60">Variables</h3>
+        {#if groups.length === 0 && !loading}
+          <p class="text-xs opacity-60">No variables available.</p>
+        {/if}
+        <div class="flex flex-col gap-3">
+          {#each groups as group (group.type)}
+            <div class="rounded-box bg-base-200 p-3">
+              <span class="text-xs font-semibold uppercase opacity-70">{group.type}</span>
+              <div class="mt-2 flex flex-wrap gap-1">
+                {#each group.variables as variable (variable.type + variable.name)}
+                  {#if isDynamicVariable(variable)}
+                    <div class="flex items-center gap-1">
+                      <input
+                        type="text"
+                        class="input input-bordered input-xs w-32 font-mono"
+                        bind:value={filePath}
+                        placeholder={variable.name}
+                        onkeydown={(e) => {
+                          if (e.key === "Enter") void insertFileVariable(variable.type);
+                        }}
+                      />
+                      <button
+                        type="button"
+                        class="btn btn-xs"
+                        onclick={() => void insertFileVariable(variable.type)}
+                      >
+                        Insert
+                      </button>
+                    </div>
+                  {:else}
+                    <button
+                      type="button"
+                      class="btn btn-xs"
+                      title={variable.description}
+                      onclick={() => void insertTagAtCursor(buildTag(variable.type, variable.name))}
+                    >
+                      {variable.name}
+                    </button>
+                  {/if}
+                {/each}
+              </div>
+            </div>
+          {/each}
+        </div>
+      </div>
+    </div>
+  </div>
 </div>
-- 
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