Add 5 pi extensions: pi-subagents, pi-crew, rpiv-pi, pi-interactive-shell, pi-intercom

extensions/pi-intercom/ui/session-list.ts

@@ -0,0 +1,162 @@
+import type { Component } from "@mariozechner/pi-tui";
+import { truncateToWidth, visibleWidth } from "@mariozechner/pi-tui";
+import type { KeybindingsManager, Theme } from "@mariozechner/pi-coding-agent";
+import type { SessionInfo } from "../types.js";
+
+function middleTruncate(text: string, maxWidth: number): string {
+  if (visibleWidth(text) <= maxWidth) {
+    return text;
+  }
+  if (maxWidth <= 3) {
+    return truncateToWidth(text, maxWidth, "");
+  }
+
+  const chars = [...text];
+  const targetSideWidth = Math.max(1, Math.floor((maxWidth - 1) / 2));
+
+  let left = "";
+  for (const char of chars) {
+    if (visibleWidth(left + char) > targetSideWidth) break;
+    left += char;
+  }
+
+  let right = "";
+  for (const char of chars.slice().reverse()) {
+    if (visibleWidth(char + right) > targetSideWidth) break;
+    right = char + right;
+  }
+
+  return truncateToWidth(`${left}…${right}`, maxWidth, "");
+}
+
+function shortSessionId(sessionId: string): string {
+  return sessionId.slice(0, 8);
+}
+
+function sessionTitle(session: SessionInfo, options?: { self?: boolean; sameCwd?: boolean }): string {
+  const name = session.name || "Unnamed session";
+  const tags = [options?.self ? "self" : undefined, options?.sameCwd ? "same cwd" : undefined]
+    .filter((tag): tag is string => Boolean(tag));
+  const suffix = tags.length ? ` [${tags.join(", ")}]` : "";
+  return `${name} (${shortSessionId(session.id)})${suffix}`;
+}
+
+export class SessionListOverlay implements Component {
+  private theme: Theme;
+  private keybindings: KeybindingsManager;
+  private currentSession: SessionInfo;
+  private done: (result: SessionInfo | undefined) => void;
+  private sessions: SessionInfo[];
+  private selectedIndex = 0;
+  private maxVisible = 8;
+
+  constructor(
+    theme: Theme,
+    keybindings: KeybindingsManager,
+    currentSession: SessionInfo,
+    sessions: SessionInfo[],
+    done: (result: SessionInfo | undefined) => void,
+  ) {
+    this.theme = theme;
+    this.keybindings = keybindings;
+    this.currentSession = currentSession;
+    this.sessions = sessions;
+    this.done = done;
+  }
+
+  private onSessionSelect(sessionId: string): void {
+    const session = this.sessions.find(s => s.id === sessionId);
+    if (!session) return;
+    this.done(session);
+  }
+
+  invalidate(): void {}
+
+  handleInput(data: string): void {
+    if (this.keybindings.matches(data, "tui.select.cancel")) {
+      this.done(undefined);
+      return;
+    }
+
+    if (this.sessions.length === 0) {
+      return;
+    }
+
+    if (this.keybindings.matches(data, "tui.select.up")) {
+      this.selectedIndex = this.selectedIndex === 0 ? this.sessions.length - 1 : this.selectedIndex - 1;
+      return;
+    }
+
+    if (this.keybindings.matches(data, "tui.select.down")) {
+      this.selectedIndex = this.selectedIndex === this.sessions.length - 1 ? 0 : this.selectedIndex + 1;
+      return;
+    }
+
+    if (this.keybindings.matches(data, "tui.select.confirm")) {
+      const session = this.sessions[this.selectedIndex];
+      if (session) {
+        this.onSessionSelect(session.id);
+      }
+    }
+  }
+
+  render(width: number): string[] {
+    const innerWidth = Math.max(36, Math.min(width - 2, 88));
+    const contentWidth = Math.max(1, innerWidth - 2);
+    const footer = `${this.keybindings.getKeys("tui.select.confirm").join("/")}: Message • ${this.keybindings.getKeys("tui.select.cancel").join("/")}: Close`;
+    const border = (text: string) => this.theme.fg("accent", text);
+    const row = (text = "") => {
+      const clipped = truncateToWidth(text, contentWidth, "", true);
+      return `${border("│")}${clipped}${" ".repeat(Math.max(0, contentWidth - visibleWidth(clipped)))}${border("│")}`;
+    };
+
+    const lines: string[] = [];
+    lines.push(border(`╭${"─".repeat(contentWidth)}╮`));
+    lines.push(row(this.theme.bold(" Current Session")));
+    lines.push(border(`├${"─".repeat(contentWidth)}┤`));
+    lines.push(row());
+    lines.push(row(`  ${this.theme.fg("dim", sessionTitle(this.currentSession, { self: true }))}`));
+    lines.push(row(`  ${this.theme.fg("dim", `${middleTruncate(this.currentSession.cwd, Math.max(8, contentWidth - 4))} • ${this.currentSession.model}`)}`));
+    lines.push(row());
+    lines.push(border(`├${"─".repeat(contentWidth)}┤`));
+    lines.push(row(this.theme.bold(" Other Sessions")));
+    lines.push(row());
+
+    if (this.sessions.length === 0) {
+      lines.push(row(this.theme.fg("dim", " No other intercom-connected sessions")));
+    } else {
+      const startIndex = Math.max(
+        0,
+        Math.min(this.selectedIndex - Math.floor(this.maxVisible / 2), this.sessions.length - this.maxVisible),
+      );
+      const endIndex = Math.min(startIndex + this.maxVisible, this.sessions.length);
+
+      for (let index = startIndex; index < endIndex; index += 1) {
+        const session = this.sessions[index];
+        const isSelected = index === this.selectedIndex;
+        const sameCwd = session.cwd === this.currentSession.cwd;
+        const prefix = isSelected ? this.theme.fg("accent", "→ ") : "  ";
+        const title = sessionTitle(session, { sameCwd });
+        const pathText = `${middleTruncate(session.cwd, Math.max(8, contentWidth - 4))} • ${session.model}`;
+
+        lines.push(row(`${prefix}${isSelected ? this.theme.fg("accent", title) : title}`));
+        lines.push(row(`  ${this.theme.fg("dim", pathText)}`));
+        if (index < endIndex - 1) {
+          lines.push(row());
+        }
+      }
+
+      if (startIndex > 0 || endIndex < this.sessions.length) {
+        lines.push(row());
+        lines.push(row(this.theme.fg("dim", ` ${this.selectedIndex + 1}/${this.sessions.length}`)));
+      }
+    }
+
+    lines.push(row());
+    lines.push(border(`├${"─".repeat(contentWidth)}┤`));
+    lines.push(row(this.theme.fg("dim", ` ${footer}`)));
+    lines.push(border(`╰${"─".repeat(contentWidth)}╯`));
+
+    return lines;
+  }
+}