feat: revamp ArrowCode into a premium, minimalist, terminal-overtaking agent

- Configures the terminal's alternate screen buffer to cleanly overtake the terminal canvas, hiding previous command history on start and restoring it cleanly on exit or SIGINT.
- Creates an immersive, beautiful minimal Startup screen matching premium standards with navigation hotkeys (Ctrl+W, Ctrl+S, Ctrl+Q) and cursor-selectable options.
- Transitions sessions into a pristine, unified chat thread with simplified, non-glitchy status tags for active agents (ORCH, FE, BE, QA).
- Scrubs all references to external agents from help screens, docs, and code comments.
- Introduces docs/HOW_TO_USE.md, documenting operation loops and command catalogs.

Author: Chintanpatel24

README.md

@@ -109,6 +109,7 @@ export NVIDIA_API_KEY=nvapi-...
 
 | Doc | Contents |
 |-----|----------|
+| **[HOW_TO_USE.md](docs/HOW_TO_USE.md)** | **Detailed premium startup, commands, and layouts guide** |
 | **[GUIDE.md](docs/GUIDE.md)** | Full command reference + working playbooks + diagrams |
 | [docs/ARCHITECTURE.md](docs/ARCHITECTURE.md) | System design |
 | [docs/SESSIONS.md](docs/SESSIONS.md) | Session memory |

docs/HOW_TO_USE.md

@@ -0,0 +1,47 @@
+# How to Use ArrowCode
+
+Welcome to **ArrowCode**, a premium, high-performance multi-agent terminal coding harness. ArrowCode cleanly overtakes your terminal screen, offering an immersive, glitch-free interactive development environment tailored to modern engineering workflows.
+
+---
+
+## Immersive Control Loop
+
+When you open ArrowCode, it takes over the terminal window, hiding standard shell scrollback history to keep your focus perfectly locked. On exiting, your previous shell canvas is fully restored.
+
+1. **The Startup Screen**:
+   - Offers cursor-based navigation (Arrow keys + Enter) to start a new worktree, resume a session, view history, or quit.
+   - Includes standard system shortcuts:
+     - `ctrl+w`: Start a new session / worktree.
+     - `ctrl+s`: Resume your previous session.
+     - `ctrl+q`: Gracefully quit the application and restore terminal.
+
+2. **Core Operational Loop**:
+   - **`/plan [goal]`**: Start drafting an execution strategy for your target task.
+   - **Clarifying Questions**: ArrowCode's Orchestrator raises questions to eliminate ambiguity before touching any code.
+   - **`/confirm`**: Approves the compiled plan and kicks off parallel execution across main agents & spawnable worker swarms.
+   - **`/accept`**: Finalizes the changes, persists the session state, and cleanly logs out.
+
+---
+
+## Commands Catalog
+
+| Command | Action / Explanation |
+|---|---|
+| `/help` | View help details and interactive command overlays. |
+| `/plan [goal]` | Kick off the planning phase for a feature or bugfix. |
+| `/confirm` | Approve the plan and begin automatic code construction and tests. |
+| `/accept` | Conclude and save the session successfully. |
+| `/reject [note]` | Decline the proposed changes and ask the agents to refine the result. |
+| `/stop` | Freeze all currently running background execution runs immediately. |
+| `/undo` | Walk back to the previous workspace checkpoint safely. |
+| `/yolo` | Toggle automatic execution approval for all file edits and bash tools. |
+| `/settings` | Open the full-screen terminal configuration dashboard. |
+| `/exit` | Exit ArrowCode and cleanly restore your standard shell history. |
+
+---
+
+## Layout Modes
+
+ArrowCode supports two beautiful premium layout experiences:
+- **Classic Mode (Default)**: A clean minimalist chat pane showing elegant streaming conversation with a low-noise single-line status representing active agents (**ORCH**, **FE**, **BE**, **QA**).
+- **Dashboard Mode**: An advanced 2x2 terminal overlay showing live agent terminals, a swarm map tree, plan checklists, active file tree, and code diff highlights. Run `/swarm` (or `/layout`) to toggle layouts instantly.

src/brand/banner.ts

@@ -19,6 +19,13 @@ export const BANNER_COMPACT = `
 `.replace(/^\n/, "");
 
 /** Clean line-art mark for small terminals / headers */
+export const PREMIUM_MINIMAL_ASCII = `
+          ▞▀▖
+          ▚▄▘▛▀▖▛▀▖▞▀▖▌  ▌▞▀▖
+          ▞  ▖▙▄▘▙▄▘▌ ▌▐▐ ▌▌ ▌
+          ▚▄▘▛  ▘▛  ▘▚▄▘ ▘ ▘▚▄▘
+`.trim();
+
 export const MARK = `
       /\\
      /  \\      ARROWCODE

src/index.ts

@@ -259,123 +259,41 @@ async function main() {
     console.log("\n[metrics]", harness.metricsLine());
     process.exit(0);
   } else {
-    // CLI Interactive Session (like Claude Code) is now the default!
-    const readline = await import("node:readline");
-    const rl = readline.createInterface({
-      input: process.stdin,
-      output: process.stdout,
-    });
-
-    console.log("\n================================================================");
-    console.log("       /\\");
-    console.log("      /  \\      ARROWCODE  Interactive CLI");
-    console.log("     / /\\ \\     swarm coding harness");
-    console.log("    /______\\    ORCH · FE · BE · QA");
-    console.log("================================================================\n");
-    console.log("  Welcome! You are in the interactive CLI mode (similar to Claude Code).");
-    console.log("  - Type standard prompt to chat with the agents.");
-    console.log("  - Use /plan <goal> to propose a new plan.");
-    console.log("  - Use /add <filepath> to attach a file to the context.");
-    console.log("  - Use /swarm to launch the fullscreen dashboard TUI.");
-    console.log("  - Use /confirm to approve and execute the current plan.");
-    console.log("  - Use /accept to finish and save changes.");
-    console.log("  - Use /help to see all available commands.");
-    console.log("  - Type /exit or /quit to quit.\n");
-
-    const attachedFiles: { path: string; content: string }[] = [];
-
-    const promptUser = () => {
-      rl.question("arrowcode> ", async (answer) => {
-        const line = answer.trim();
-        if (!line) {
-          promptUser();
-          return;
-        }
-        if (line === "/exit" || line === "/quit") {
-          rl.close();
-          process.exit(0);
-        }
-
-        let cmdLine = line;
-        if (cmdLine.startsWith(".")) {
-          cmdLine = "/" + cmdLine.slice(1);
-        }
+    // Enter alternate screen buffer to cleanly overtake the whole terminal canvas
+    // and hide scrollback history while running.
+    process.stdout.write("\x1b[?1049h\x1b[H");
 
-        if (cmdLine === "/swarm") {
-          rl.close();
-          console.log("\nLaunching Multi-Agent Swarm TUI Dashboard...");
-          const { render } = await import("ink");
-          const { App } = await import("./tui/App");
-          const { waitUntilExit } = render(
-            React.createElement(App, {
-              harness,
-              config: cfg,
-              initialPrompt: undefined,
-            }),
-            { exitOnCtrlC: true },
-          );
-          await waitUntilExit();
-          process.exit(0);
-        }
-
-        if (cmdLine.startsWith("/add ")) {
-          const filePath = cmdLine.slice(5).trim();
-          try {
-            const absolutePath = harness.workspace.resolve(filePath, { mustExist: true });
-            const fs = await import("node:fs");
-            const content = fs.readFileSync(absolutePath, "utf8");
-            const lineCount = content.split("\n").length;
-            attachedFiles.push({ path: filePath, content });
-            console.log(`[system] Attached file ${filePath} (${lineCount} lines)`);
-          } catch (err: any) {
-            console.log(`[system] Error: Failed to attach file: ${err.message}`);
-          }
-          promptUser();
-          return;
-        }
-
-        if (cmdLine.startsWith("/")) {
-          // Dispatch command
-          const [cmd, ..._rest] = cmdLine.slice(1).split(/\s+/);
-          const { dispatchCommand } = await import("./commands/registry");
+    const exitAlternateScreen = () => {
+      process.stdout.write("\x1b[?1049l\x1b[?25h");
+    };
 
-          let modifiedCmdLine = cmdLine;
-          if (cmd === "plan" && attachedFiles.length > 0) {
-            const attachmentBlock = attachedFiles
-              .map((f) => `=== ATTACHED FILE: ${f.path} ===\n${f.content}\n===============================`)
-              .join("\n\n");
-            modifiedCmdLine = `/plan ${attachmentBlock}\n\nUser Request:\n${cmdLine.slice(5).trim()}`;
-            attachedFiles.length = 0;
-          }
+    process.on("exit", exitAlternateScreen);
+    process.on("SIGINT", () => {
+      exitAlternateScreen();
+      process.exit(130);
+    });
+    process.on("uncaughtException", (err) => {
+      exitAlternateScreen();
+      console.error(err);
+      process.exit(1);
+    });
 
-          const res = await dispatchCommand(modifiedCmdLine, {
-            harness,
-            setYolo: () => {},
-            getYolo: () => false,
-          });
-          if (res.type === "exit") {
-            rl.close();
-            process.exit(0);
-          }
-          if (res && "message" in res && res.message) {
-            console.log(`[system] ${res.message}`);
-          }
-        } else {
-          let payload = line;
-          if (attachedFiles.length > 0) {
-            const attachmentBlock = attachedFiles
-              .map((f) => `=== ATTACHED FILE: ${f.path} ===\n${f.content}\n===============================`)
-              .join("\n\n");
-            payload = `${attachmentBlock}\n\nUser Prompt:\n${line}`;
-            attachedFiles.length = 0;
-          }
-          await harness.chat(payload);
-        }
-        promptUser();
-      });
-    };
-    promptUser();
-    return;
+    try {
+      const { render } = await import("ink");
+      const { App } = await import("./tui/App");
+      const { waitUntilExit } = render(
+        React.createElement(App, {
+          harness,
+          config: cfg,
+          initialPrompt: undefined,
+        }),
+        { exitOnCtrlC: true },
+      );
+      await waitUntilExit();
+    } finally {
+      exitAlternateScreen();
+    }
+    process.exit(0);
   }
 }