feat(clipboard): add clipboard utilities for copy-on-select functionality

EvoScientist/cli/clipboard.py

@@ -0,0 +1,116 @@
+"""Clipboard utilities for EvoScientist TUI.
+
+Provides copy-on-select for the Textual TUI with three fallback methods:
+  1. pyperclip  — preferred on local machines (uses pbcopy on macOS)
+  2. Textual    — built-in app.copy_to_clipboard()
+  3. OSC 52     — escape sequence for SSH / tmux remote sessions
+"""
+
+from __future__ import annotations
+
+import base64
+import logging
+import os
+import pathlib
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from textual.app import App
+
+logger = logging.getLogger(__name__)
+
+_PREVIEW_MAX = 40
+
+
+# ── OSC 52 (remote / SSH / tmux) ──────────────────────────────────
+
+
+def _copy_osc52(text: str) -> None:
+    """Copy text using OSC 52 escape sequence (works over SSH/tmux)."""
+    encoded = base64.b64encode(text.encode("utf-8")).decode("ascii")
+    seq = f"\033]52;c;{encoded}\a"
+    if os.environ.get("TMUX"):
+        seq = f"\033Ptmux;\033{seq}\033\\"
+    with pathlib.Path("/dev/tty").open("w", encoding="utf-8") as tty:
+        tty.write(seq)
+        tty.flush()
+
+
+# ── Preview helper ─────────────────────────────────────────────────
+
+
+def _shorten(texts: list[str]) -> str:
+    """Return a short preview string for the notification toast."""
+    dense = "⏎".join(texts).replace("\n", "⏎")
+    if len(dense) > _PREVIEW_MAX:
+        return dense[: _PREVIEW_MAX - 1] + "…"
+    return dense
+
+
+# ── Public API ─────────────────────────────────────────────────────
+
+
+def copy_selection_to_clipboard(app: App) -> None:
+    """Copy mouse-selected text from any widget to the system clipboard.
+
+    Called from ``on_mouse_up`` in the Textual app so that selecting
+    text with the mouse automatically copies it.
+    """
+    selected_texts: list[str] = []
+
+    for widget in app.query("*"):
+        if not hasattr(widget, "text_selection") or not widget.text_selection:
+            continue
+        selection = widget.text_selection
+        if selection.end is None:
+            continue
+        try:
+            result = widget.get_selection(selection)
+        except (AttributeError, TypeError, ValueError, IndexError) as exc:
+            logger.debug(
+                "Failed to get selection from %s: %s",
+                type(widget).__name__, exc,
+            )
+            continue
+        if not result:
+            continue
+        text, _ = result
+        if text.strip():
+            selected_texts.append(text)
+
+    if not selected_texts:
+        return
+
+    combined = "\n".join(selected_texts)
+
+    # Try methods in priority order
+    copy_methods = [app.copy_to_clipboard]
+
+    try:
+        import pyperclip
+        copy_methods.insert(0, pyperclip.copy)
+    except ImportError:
+        pass
+
+    copy_methods.append(_copy_osc52)
+
+    for fn in copy_methods:
+        try:
+            fn(combined)
+            app.notify(
+                f'"{_shorten(selected_texts)}" copied',
+                severity="information",
+                timeout=2,
+                markup=False,
+            )
+        except (OSError, RuntimeError, TypeError) as exc:
+            logger.debug("Clipboard method %s failed: %s", getattr(fn, "__name__", repr(fn)), exc)
+            continue
+        else:
+            return
+
+    app.notify(
+        "Failed to copy — no clipboard method available",
+        severity="warning",
+        timeout=3,
+    )

EvoScientist/cli/tui_interactive.py

@@ -178,8 +178,10 @@ def run_textual_interactive(
         from textual.app import App, ComposeResult
         from textual.binding import Binding
         from textual.containers import Container, Horizontal, VerticalScroll
+        from textual.events import MouseUp
         from textual.widgets import Input, Static
 
+        from .clipboard import copy_selection_to_clipboard
         from .widgets import (
             LoadingWidget,
             ThinkingWidget,
@@ -924,6 +926,12 @@ def run_textual_interactive(
                 style="dim",
             )
 
+        # ── Clipboard (copy on mouse select) ─────────────────
+
+        def on_mouse_up(self, event: MouseUp) -> None:
+            """Copy mouse-selected text to clipboard on release."""
+            copy_selection_to_clipboard(self)
+
         # ── Input handling ─────────────────────────────────────
 
         async def on_input_submitted(self, event: Input.Submitted) -> None:
@@ -1695,21 +1703,17 @@ def run_textual_interactive(
         def _render_status(self) -> None:
             status = self.query_one("#status", Static)
             if self._busy:
-                left = "thinking..."
+                left = "vibe researching..."
                 left_style = "bold #f59e0b"
             else:
-                left = "manual | /help for commands"
+                left = "/help for commands"
                 left_style = "#f59e0b"
 
-            model_label = model or "default-model"
-            if provider and model:
-                model_label = f"{provider}:{model}"
-
             status.update(
                 Text.assemble(
                     (left, left_style),
                     ("  ", ""),
-                    (model_label, "dim"),
+                    ("EvoScientist", "dim"),
                 )
             )