1 files changed, 2 insertions, 114 deletions

diff --git a/src/chat-history.ts b/src/chat-history.ts
index ac29ed9..ac7c6a8 100644
--- a/src/chat-history.ts
+++ b/src/chat-history.ts
@@ -1,34 +1,7 @@
-import type { App } from "obsidian";
 import type { ChatMessage } from "./ollama-client";
+import type { PersistedMessage } from "./settings";
 
-/**
- * Stored chat history format.
- * Only user and assistant messages are persisted — system and tool messages
- * are transient (injected per-request by the agent loop).
- */
-export interface ChatHistoryData {
-	version: 1;
-	messages: PersistedMessage[];
-}
-
-/**
- * A message stored in the chat history file.
- * This is a subset of ChatMessage — we strip tool_calls, tool_name,
- * and system/tool role messages since they are not meaningful across sessions.
- */
-export interface PersistedMessage {
-	role: "user" | "assistant";
-	content: string;
-}
-
-const CHAT_HISTORY_FILENAME = "chat-history.json";
-
-/**
- * Resolve the full path to the chat history file inside the plugin folder.
- */
-function getHistoryPath(app: App, pluginId: string): string {
-	return `${app.vault.configDir}/plugins/${pluginId}/${CHAT_HISTORY_FILENAME}`;
-}
+export type { PersistedMessage } from "./settings";
 
 /**
  * Filter ChatMessage[] down to only persistable user/assistant messages.
@@ -49,88 +22,3 @@ export function toPersistableMessages(messages: readonly ChatMessage[]): Persist
 export function toRuntimeMessages(messages: readonly PersistedMessage[]): ChatMessage[] {
 	return messages.map((m) => ({ role: m.role, content: m.content }));
 }
-
-/**
- * Load chat history from the plugin folder.
- * Returns an empty array if the file doesn't exist or is corrupted.
- */
-export async function loadChatHistory(app: App, pluginId: string): Promise<PersistedMessage[]> {
-	const path = getHistoryPath(app, pluginId);
-
-	try {
-		const exists = await app.vault.adapter.exists(path);
-		if (!exists) {
-			return [];
-		}
-
-		const raw = await app.vault.adapter.read(path);
-		const parsed = JSON.parse(raw) as unknown;
-
-		if (!isValidChatHistory(parsed)) {
-			return [];
-		}
-
-		return parsed.messages;
-	} catch {
-		return [];
-	}
-}
-
-/**
- * Save chat history to the plugin folder.
- */
-export async function saveChatHistory(
-	app: App,
-	pluginId: string,
-	messages: readonly ChatMessage[],
-): Promise<void> {
-	const path = getHistoryPath(app, pluginId);
-	const persistable = toPersistableMessages(messages);
-
-	const data: ChatHistoryData = {
-		version: 1,
-		messages: persistable,
-	};
-
-	await app.vault.adapter.write(path, JSON.stringify(data, null, 2));
-}
-
-/**
- * Clear the chat history by writing an empty messages array.
- * Writing an empty file rather than deleting ensures Obsidian Sync
- * propagates the "cleared" state to all devices.
- */
-export async function clearChatHistory(app: App, pluginId: string): Promise<void> {
-	const path = getHistoryPath(app, pluginId);
-
-	const data: ChatHistoryData = {
-		version: 1,
-		messages: [],
-	};
-
-	try {
-		await app.vault.adapter.write(path, JSON.stringify(data, null, 2));
-	} catch {
-		// Silently ignore — clear is best-effort
-	}
-}
-
-/**
- * Type guard for validating the parsed chat history JSON.
- */
-function isValidChatHistory(value: unknown): value is ChatHistoryData {
-	if (typeof value !== "object" || value === null) return false;
-
-	const obj = value as Record<string, unknown>;
-	if (obj["version"] !== 1) return false;
-	if (!Array.isArray(obj["messages"])) return false;
-
-	for (const msg of obj["messages"]) {
-		if (typeof msg !== "object" || msg === null) return false;
-		const m = msg as Record<string, unknown>;
-		if (m["role"] !== "user" && m["role"] !== "assistant") return false;
-		if (typeof m["content"] !== "string") return false;
-	}
-
-	return true;
-}