chore: sweep em dashes from our own source and README (#13)

src/lib/components/ChatView.tsx

@@ -35,7 +35,7 @@ import { recencyGroup, truncate } from "../utils";
  *
  * - The search bar is the composer. It is the only always-focused text input in
  *   a `List`, which is what makes "hit a hotkey, then just start typing" work.
- * - `filtering` is off, because the left column is a conversation switcher — the
+ * - `filtering` is off, because the left column is a conversation switcher. The
  *   builtin fuzzy filter would hide rows as the user types their question.
  * - `Detail` accepts no typed input (`onSearchTextChange` exists only on `List`,
  *   `Grid`, `Form` and `Dropdown`), so the left column cannot be dropped: it is
@@ -87,7 +87,7 @@ export function ChatView({ initialSession, initialPrompt }: ChatViewProps) {
   /**
    * Reopening the command continues the most recent conversation, but only if it
    * was used recently. Past the configured idle window it starts a fresh chat
-   * instead — the previous conversation is never removed, it just drops down the
+   * instead. The previous conversation is never removed, it just drops down the
    * sidebar. Setting the preference to "Never" keeps the last chat open forever.
    */
   useEffect(() => {
@@ -218,7 +218,7 @@ export function ChatView({ initialSession, initialPrompt }: ChatViewProps) {
 
   /**
    * The primary action adapts to the search bar. With text in it, Return sends;
-   * with it empty — where sending would be a no-op anyway — Return opens the
+   * with it empty (where sending would be a no-op anyway), Return opens the
    * highlighted conversation instead.
    */
   const rowActions = (row: SessionRow) => {
@@ -249,8 +249,8 @@ export function ChatView({ initialSession, initialPrompt }: ChatViewProps) {
   }
 
   const placeholder = chat.status
-    ? `${chat.status} — press ⏎ to stop`
-    : "Lam is thinking — press ⏎ to stop";
+    ? `${chat.status}. Press ⏎ to stop`
+    : "Lam is thinking. Press ⏎ to stop";
 
   return (
     <List

src/lib/markdown.ts

@@ -15,8 +15,8 @@ import type { ChatTurn, ThreadMessage } from "./types";
  * and a `**Lam**` header on each exchange gave both speakers the same visual
  * weight and made the reader scan past chrome to reach the answer.
  *
- * Raycast solves the same problem with alignment — right-aligned bubbles for
- * the user — but markdown offers no alignment control, so styling is the only
+ * Raycast solves the same problem by aligning messages: right-aligned bubbles
+ * for the user. Markdown offers no alignment control, so styling is the only
  * lever available.
  */
 
@@ -66,7 +66,7 @@ function renderMessage(message: ThreadMessage, options: TranscriptOptions): stri
 
   // The one thing allowed to break the plain-text rule, because it means
   // something went wrong and should not be skimmed past.
-  if (message.error) sections.push("", `**Error** — ${message.error}`);
+  if (message.error) sections.push("", `**Error:** ${message.error}`);
 
   if (options.showToolCalls && message.toolCalls.length > 0) {
     sections.push("", renderTools(message));
@@ -129,8 +129,8 @@ export function buildThreadMarkdown(
  * Unlike the transcript this reads oldest-first: as a standalone document, a
  * conversation is easier to read in the order it happened.
  *
- * This needs labels because the transcript's styling — blockquotes and dimmed
- * text — is gone by the time it reaches a clipboard.
+ * This needs labels because the transcript's styling (blockquotes and dimmed
+ * text) is gone by the time it reaches a clipboard.
  */
 export function sessionToPlainText(turns: ChatTurn[]): string {
   if (turns.length === 0) return "";

src/lib/preferences.ts

@@ -58,7 +58,7 @@ export function resolveResumeTimeout(value: string | undefined): number | undefi
 
 /** Human-readable form of {@link ResolvedPreferences.resumeTimeoutMs}, for the setup screen. */
 export function describeResumeTimeout(milliseconds: number | undefined): string {
-  if (milliseconds === undefined) return "Never — always reopen the last chat";
+  if (milliseconds === undefined) return "Never (always reopen the last chat)";
 
   const minutes = Math.round(milliseconds / MINUTE);
   if (minutes < 60) return `After ${minutes} minutes`;

src/lib/thread.ts

@@ -21,7 +21,7 @@ export function buildThread(turns: ChatTurn[], live: LiveState): ThreadMessage[]
   const messages: ThreadMessage[] = [];
 
   // Strictly newest message first. The search bar sits at the top of the window,
-  // so the most recent thing — an answer, once one has been written — should be
+  // so the most recent thing, an answer once one has been written, should be
   // the first line under it. A consequence is that within an exchange the answer
   // comes before its question, which is the intended reading order here.
   for (let index = turns.length - 1; index >= 0; index--) {

src/lib/utils.ts

@@ -35,7 +35,7 @@ export type RecencyGroup = "Today" | "Yesterday" | "This week" | "Older";
  * Buckets a timestamp for the conversation sidebar.
  *
  * Raycast groups its sidebar this way, and it buys the grouping that per-row
- * timestamps were trying to convey — without putting a timestamp on every row.
+ * timestamps were trying to convey, without putting a timestamp on every row.
  */
 export function recencyGroup(timestamp: number, now: number = Date.now()): RecencyGroup {
   const startOfToday = new Date(now);