Show job log inline below running tasks table

View Log now displays the log in a RichLog panel below the buttons
instead of opening a modal screen. The log tails the file in real-time
with a 0.3s poll interval while the job is running.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tui/gniza.tcss

@@ -278,7 +278,8 @@ SelectionList {
 }
 
 /* Log viewer */
-#log-viewer {
+#log-viewer,
+#rt-log-viewer {
     height: 1fr;
     min-height: 8;
     border: round $accent;

tui/screens/running_tasks.py

@@ -1,12 +1,14 @@
 from datetime import datetime
+from pathlib import Path
 
 from textual.app import ComposeResult
 from textual.screen import Screen
-from textual.widgets import Header, Footer, Static, Button, DataTable
+from textual.widgets import Header, Footer, Static, Button, DataTable, RichLog
 from textual.containers import Vertical, Horizontal
+from textual.timer import Timer
 
 from tui.jobs import job_manager
-from tui.widgets import ConfirmDialog, OperationLog
+from tui.widgets import ConfirmDialog
 
 
 class RunningTasksScreen(Screen):
@@ -23,6 +25,7 @@ class RunningTasksScreen(Screen):
                 yield Button("Kill Job", variant="error", id="btn-rt-kill")
                 yield Button("Clear Finished", variant="warning", id="btn-rt-clear")
                 yield Button("Back", id="btn-rt-back")
+            yield RichLog(id="rt-log-viewer", wrap=True, highlight=True)
         yield Footer()
 
     def on_mount(self) -> None:
@@ -31,6 +34,9 @@ class RunningTasksScreen(Screen):
         table.cursor_type = "row"
         self._refresh_table()
         self._timer = self.set_interval(1, self._refresh_table)
+        self._log_timer: Timer | None = None
+        self._viewing_job_id: str | None = None
+        self._log_file_pos: int = 0
 
     def _format_duration(self, job) -> str:
         end = job.finished_at or datetime.now()
@@ -47,7 +53,6 @@ class RunningTasksScreen(Screen):
     def _refresh_table(self) -> None:
         job_manager.check_reconnected()
         table = self.query_one("#rt-table", DataTable)
-        # Preserve cursor position
         old_row = table.cursor_coordinate.row if table.row_count > 0 else 0
         table.clear()
         for job in job_manager.list_jobs():
@@ -73,20 +78,67 @@ class RunningTasksScreen(Screen):
         elif event.button.id == "btn-rt-kill":
             self._kill_selected()
         elif event.button.id == "btn-rt-view":
-            table = self.query_one("#rt-table", DataTable)
-            if table.row_count == 0:
-                self.notify("No jobs to view", severity="warning")
-                return
-            row_key, _ = table.coordinate_to_cell_key(table.cursor_coordinate)
-            job_id = str(row_key)
-            job = job_manager.get_job(job_id)
-            if job:
-                log_screen = OperationLog(
-                    title=job.label,
-                    show_spinner=job.status == "running",
-                    job_id=job.id,
-                )
-                self.app.push_screen(log_screen)
+            self._view_selected_log()
+
+    def _view_selected_log(self) -> None:
+        table = self.query_one("#rt-table", DataTable)
+        if table.row_count == 0:
+            self.notify("No jobs to view", severity="warning")
+            return
+        row_key, _ = table.coordinate_to_cell_key(table.cursor_coordinate)
+        job_id = str(row_key)
+        job = job_manager.get_job(job_id)
+        if not job:
+            self.notify("Job not found", severity="warning")
+            return
+        log_viewer = self.query_one("#rt-log-viewer", RichLog)
+        log_viewer.clear()
+        self._viewing_job_id = job_id
+        self._log_file_pos = 0
+        # Load existing content from log file
+        if job._log_file and Path(job._log_file).is_file():
+            try:
+                content = Path(job._log_file).read_text()
+                self._log_file_pos = len(content.encode())
+                for line in content.splitlines():
+                    log_viewer.write(line)
+            except OSError:
+                pass
+        elif job.output:
+            for line in job.output:
+                log_viewer.write(line)
+        # Start polling for new content if job is running
+        if self._log_timer:
+            self._log_timer.stop()
+        if job.status == "running":
+            self._log_timer = self.set_interval(0.3, self._poll_log)
+
+    def _poll_log(self) -> None:
+        if not self._viewing_job_id:
+            return
+        job = job_manager.get_job(self._viewing_job_id)
+        if not job:
+            if self._log_timer:
+                self._log_timer.stop()
+            return
+        try:
+            log_viewer = self.query_one("#rt-log-viewer", RichLog)
+        except Exception:
+            return
+        if job._log_file and Path(job._log_file).is_file():
+            try:
+                with open(job._log_file, "r") as f:
+                    f.seek(self._log_file_pos)
+                    new_data = f.read()
+                    if new_data:
+                        self._log_file_pos += len(new_data.encode())
+                        for line in new_data.splitlines():
+                            log_viewer.write(line)
+            except OSError:
+                pass
+        if job.status != "running":
+            if self._log_timer:
+                self._log_timer.stop()
 
     def _kill_selected(self) -> None:
         table = self.query_one("#rt-table", DataTable)