1032 lines
51 KiB
Text
1032 lines
51 KiB
Text
mac 2026-08-29 19:21:05 → now 1 session(s)
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Session Started Where Title
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Mw5UrR 2026-08-30 19:10 Code/dashboard Fix journal display repeating buffered output on interna…
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⚑ ❬Mw5UrR❭ Fix journal display repeating buffered output on internal reload ~/Code/dashboard
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────────────────────────────────────────────────────────────────────────────────────────────────────
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│ 2026-08-30 19:10:24 • user
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│
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│ The journal display repeats output on internal reload. It seems that it appends all journal
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│ output that is in the buffer to the text field instead of only appending new lines.
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│ 2026-08-30 19:10:25 • assistant • Qwen3.8-27B-Think @plan
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│
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│ The user is reporting a bug in the journal display. On internal reload (polling), all journal
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│ output within the buffer is being appended to the text field, instead of only new lines.
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│
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│ This is plan mode — I need to investigate the codebase to understand the journal implementation,
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│ and then propose a plan. Let me look at the journal-related files.
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│
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│ Let's explore:
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│ - `app/journal.py` — the `journalctl -o export` parser with cursors
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│ - `app/routers/` — journal tab endpoints
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│ - `templates/` — journal templates
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│
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│ Let's read these files.
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│
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│ read /home/mac/Code/dashboard/app/journal.py ok 0.0s
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│ in
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│ {
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│ "filePath": "/home/mac/Code/dashboard/app/journal.py"
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│ }
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│ out
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│ <path>/home/mac/Code/dashboard/app/journal.py</path>
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│ <type>file</type>
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│ <content>
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│ 1: import asyncio
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│ 2: import re
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│ 3: from datetime import UTC, datetime
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│ 4: from typing import Any
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│ 5:
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│ 6: CURSOR_RE = re.compile(r"^[A-Za-z0-9;:=+./_-]+$")
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│ 7: LEVELS = {"all": None, "warn": "warning", "err": "err"}
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│ 8: FIELD_RE = re.compile(r"^([A-Z_][A-Z0-9_]*)=")
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│ 9:
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│ 10:
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│ 11: def parse_export(text: str) -> list[dict[str, Any]]:
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│ 12: entries: list[dict[str, Any]] = []
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│ 13: cur: dict[str, Any] | None = None
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│ 14: last_key: str | None = None
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│ 15: for raw in text.splitlines():
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│ 16: if raw == "":
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│ 17: if cur is not None:
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│ 18: entries.append(cur)
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│ 19: cur, last_key = None, None
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│ 20: continue
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│ 21: m = FIELD_RE.match(raw)
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│ 22: if m:
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│ 23: if cur is None:
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│ 24: cur = {}
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│ 25: last_key = m.group(1)
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│ 26: if last_key is not None:
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│ 27: cur[last_key] = raw[m.end():]
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│ 28: elif cur is not None and last_key is not None:
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│ 29: cur[last_key] += "\n" + raw
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│ 30: if cur is not None:
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│ 31: entries.append(cur)
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│ 32: return entries
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│ 33:
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│ 34:
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│ 35: def format_entries(entries: list[dict[str, Any]]) -> list[dict[str, Any]]:
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│ 36: out: list[dict[str, Any]] = []
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│ 37: for e in entries:
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│ 38: ts = e.get("__REALTIME_TIMESTAMP")
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│ 39: if ts is None:
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│ 40: continue
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│ 41: stamp = ""
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│ 42: try:
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│ 43: dt = datetime.fromtimestamp(int(ts) / 1e6, tz=UTC).astimezone()
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│ 44: stamp = dt.strftime("%H:%M:%S")
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│ 45: except (ValueError, OSError, TypeError):
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│ 46: pass
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│ 47: try:
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│ 48: prio = int(e.get("PRIORITY", "6"))
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│ 49: except ValueError:
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│ 50: prio = 6
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│ 51: msg = e.get("MESSAGE", "").rstrip("\n")
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│ 52: out.append(
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│ 53: {
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│ 54: "stamp": stamp,
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│ 55: "prio": prio,
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│ 56: "ident": e.get("SYSLOG_IDENTIF
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│ … [1722 more chars]
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│ glob app/routers/*.py ok 0.0s
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│ in
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│ {
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│ "pattern": "app/routers/*.py"
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│ }
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│ out
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│ /home/mac/Code/dashboard/app/routers/journal.py
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│ /home/mac/Code/dashboard/app/routers/overview.py
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│ /home/mac/Code/dashboard/app/routers/processes.py
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│ /home/mac/Code/dashboard/app/routers/__init__.py
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│ /home/mac/Code/dashboard/app/routers/disks.py
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│ /home/mac/Code/dashboard/app/routers/plugins.py
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│ /home/mac/Code/dashboard/app/routers/services.py
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│ glob templates/*.html ok 0.0s
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│ in
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│ {
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│ "pattern": "templates/*.html"
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│ }
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│ out
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│ /home/mac/Code/dashboard/templates/index.html
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│ /home/mac/Code/dashboard/templates/journal.html
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│ /home/mac/Code/dashboard/templates/overview.html
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│ /home/mac/Code/dashboard/templates/processes.html
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│ /home/mac/Code/dashboard/templates/disks.html
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│ /home/mac/Code/dashboard/templates/service_detail.html
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│ /home/mac/Code/dashboard/templates/services.html
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│ /home/mac/Code/dashboard/templates/plugins.html
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│
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│ tokens 9229 in 220 out 0 cached 0 written $0.0000 tool-calls
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│ 2026-08-30 19:10:45 • assistant • Qwen3.8-27B-Think @plan
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│
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│ Let's try reading the journal router and template.
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│
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│ read /home/mac/Code/dashboard/app/routers/journal.py ok 0.0s
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│ in
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│ {
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│ "filePath": "/home/mac/Code/dashboard/app/routers/journal.py"
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│ }
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│ out
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│ <path>/home/mac/Code/dashboard/app/routers/journal.py</path>
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│ <type>file</type>
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│ <content>
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│ 1: from typing import Any
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│ 2:
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│ 3: from fastapi import APIRouter, Request
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│ 4: from fastapi.responses import HTMLResponse
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│ 5:
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│ 6: from app import journal
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│ 7: from app.render import render
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│ 8:
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│ 9: router = APIRouter(prefix="/api", tags=["journal"])
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│ 10:
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│ 11:
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│ 12: @router.get("/journal")
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│ 13: async def journal_view(
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│ 14: _request: Request,
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│ 15: level: str = "all",
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│ 16: unit: str = "",
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│ 17: search: str = "",
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│ 18: cursor: str = "",
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│ 19: hide_sudo: str = "",
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│ 20: ):
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│ 21: if level not in journal.LEVELS:
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│ 22: level = "all"
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│ 23: lines = 200 if cursor else 100
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│ 24: error = None
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│ 25: entries: list[dict[str, Any]] = []
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│ 26: next_cursor = ""
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│ 27: try:
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│ 28: entries, nc = await journal.tail(
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│ 29: cursor or None,
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│ 30: level,
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│ 31: unit or None,
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│ 32: search or None,
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│ 33: lines,
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│ 34: hide_sudo=(hide_sudo == "on"),
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│ 35: )
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│ 36: next_cursor = nc or ""
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│ 37: entries = entries[-400:]
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│ 38: except (RuntimeError, OSError) as e:
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│ 39: error = str(e)[:300]
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│ 40: return HTMLResponse(
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│ 41: render(
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│ 42: "journal.html",
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│ 43: entries=entries,
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│ 44: next_cursor=next_cursor,
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│ 45: level=level,
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│ 46: unit=unit,
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│ 47: search=search,
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│ 48: error=error,
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│ 49: )
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│ 50: )
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│
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│ (End of file - total 50 lines)
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│ </content>
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│ read /home/mac/Code/dashboard/templates/journal.html ok 0.0s
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│ in
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│ {
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│ "filePath": "/home/mac/Code/dashboard/templates/journal.html"
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│ }
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│ out
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│ <path>/home/mac/Code/dashboard/templates/journal.html</path>
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│ <type>file</type>
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│ <content>
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│ 1: {% if error %}
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│ 2: <div class="jline j-error-once"><span class="muted">journalctl: {{ error }}</span></div>
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│ 3: {% endif %}
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│ 4: {% for e in entries %}
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│ 5: <div class="jline{% if e.prio <= 3 %} j-err{% elif e.prio == 4 %} j-warn{% endif %}"
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│ data-cursor="{{ e.cursor }}">
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│ 6: <span class="j-time">{{ e.stamp }}</span>
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│ 7: <span class="j-ident">{{ e.ident }}</span>
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│ 8: <span class="j-msg">{{ e.msg }}</span>
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│ 9: </div>
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│ 10: {% endfor %}
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│
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│ (End of file - total 10 lines)
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│ </content>
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│
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│ tokens 1459 in 81 out 9449 cached 0 written $0.0000 tool-calls
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│ 2026-08-30 19:10:49 • assistant • Qwen3.8-27B-Think @plan
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│
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│ Next, let's take a look at index.html to check how the journal tab is being rendered, and how
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│ htmx polling is configured. The journal.html template itself is just a fragment of entries.
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│ There should be a parent element with an hx-get that reloads it. Let me search for journal in
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│ index.html.
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│
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│ grep journal ok 0.0s
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│ in
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│ {
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│ "pattern": "journal",
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│ "path": "/home/mac/Code/dashboard/templates/index.html"
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│ }
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│ out
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│ Found 8 matches
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│ /home/mac/Code/dashboard/templates/journal.html:
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│ Line 2: <div class="jline j-error-once"><span class="muted">journalctl: {{ error
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│ }}</span></div>
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│
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│
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│ /home/mac/Code/dashboard/templates/index.html:
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│ Line 18: <button class="tab-btn" data-tab="journal">Journal</button>
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│
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│ Line 58: <section id="tab-journal" class="tab hidden">
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│
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│ Line 59: <div id="journal-status" class="muted small"></div>
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│
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│ Line 60: <form id="journal-filters" class="inline-form" hx-get="/api/journal"
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│ hx-target="#journal-log" hx-swap="innerHTML">
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│
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│ Line 71: <div id="journal-logwrap">
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│
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│ Line 72: <input type="hidden" id="journal-cursor" value="">
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│
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│ Line 73: <div id="journal-log" hx-get="/api/journal" hx-trigger="load, every 5s"
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│ hx-swap="beforeend" hx-include="#journal-filters, #journal-cursor"></div>
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│
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│ tokens 738 in 112 out 10988 cached 0 written $0.0000 tool-calls
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│ 2026-08-30 19:10:52 • assistant • Qwen3.8-27B-Think @plan
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│
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│ Now I understand the mechanism:
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│
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│ - `#journal-log` is a div with `hx-get="/api/journal" hx-trigger="load, every 5s"
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│ hx-swap="beforeend" hx-include="#journal-filters, #journal-cursor"`
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│ - The hidden input `#journal-cursor` presumably holds the cursor. The router receives `cursor`
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│ and uses `--after-cursor` to only fetch entries after that cursor.
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│
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│ Bug: "The journal display duplicates output on internal reload. It looks like it appends all the
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│ journal output in the buffer to the text field, rather than just appending new lines."
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│
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│ So on the first load (no cursor), the initial 100 lines are fetched, and next_cursor is
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│ computed. But where is next_cursor stored? The router renders `journal.html` with `entries` and
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│ `next_cursor`... but the journal.html template doesn't reference `next_cursor` at all! Let me
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│ verify — the template only renders entries. So the hidden input `#journal-cursor` is never
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│ updated. That means every poll sends `cursor=""`, and the router fetches the latest 100 lines
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│ again and appends them with `beforeend` — duplicating all 100 lines on each 5-second reload.
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│
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│ Wait, but is there JS in index.html that updates the cursor? Let me read all of index.html to
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│ check the JS that updates `#journal-cursor`.
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│
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│ read /home/mac/Code/dashboard/templates/index.html ok 0.0s
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│ in
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│ {
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│ "filePath": "/home/mac/Code/dashboard/templates/index.html"
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│ }
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│ out
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│ <path>/home/mac/Code/dashboard/templates/index.html</path>
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│ <type>file</type>
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│ <content>
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│ 1: <!doctype html>
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│ 2: <html lang="en">
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│ 3: <head>
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│ 4: <meta charset="utf-8">
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│ 5: <meta name="viewport" content="width=device-width, initial-scale=1">
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│ 6: <title>{{ hostname }}</title>
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│ 7: <link rel="stylesheet" href="/static/css/style.css">
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│ 8: <script src="/static/vendor/htmx.min.js"></script>
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│ 9: <script src="/static/vendor/chart.umd.min.js"></script>
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│ 10: </head>
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│ 11: <body>
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│ 12: <header class="topbar">
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│ 13: <h1>{{ hostname }}</h1>
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│ 14: <nav id="tabs">
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│ 15: <button class="tab-btn active" data-tab="overview">Overview</button>
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│ 16: <button class="tab-btn" data-tab="disks">Disks</button>
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│ 17: <button class="tab-btn" data-tab="processes">Processes</button>
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│ 18: <button class="tab-btn" data-tab="journal">Journal</button>
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│ 19: <button class="tab-btn" data-tab="services">Services</button>
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│ 20: <button class="tab-btn" data-tab="plugins">Plugins</button>
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│ 21: </nav>
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│ 22: </header>
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│ 23: <main>
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│ 24: <section id="tab-overview" class="tab">
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│ 25: <div id="overview" class="panel" hx-get="/api/overview" hx-trigger="load, every 2s"
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│ hx-swap="outerHTML"></div>
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│ 26: <div class="charts-grid">
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│ 27: <div class="chart-card"><h3>CPU / GPU %</h3><canvas id="chart-cpu"></canvas></div>
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│ 28: <div class="chart-card"><h3>Memory / VRAM %</h3><canvas
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│ id="chart-mem"></canvas></div>
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│ 29: <div class="chart-card"><h3>Disk I/O</h3><canvas id="chart-io"></canvas></div>
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│ 30: </div>
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│ 31: </section>
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│ 32:
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│ 33: <section id="tab-disks" class="tab hidden">
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│ 34: <div id="disks" class="panel" hx-get="/api/disks" hx-trigger="load, every 2s"
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│ hx-swap="outerHTML"></div>
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│ 35: </section>
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│ 36:
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│ 37: <section id="tab-processes" class="tab hidden">
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│ 38: <form id="proc-controls" class="inline-form" hx-get="/api/processes"
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│ hx-target="#processes-body" hx-swap="outerHTML">
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│ 39: <input id="proc-q" name="q" placeholder="filter name / pid">
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│ 40: <select name="sort" id="proc-sort">
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│ 41:
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│ … [3010 more chars]
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│
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│ tokens 274 in 336 out 11837 cached 0 written $0.0000 tool-calls
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│ 2026-08-30 19:11:01 • assistant • Qwen3.8-27B-Think @plan
|
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│
|
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│ Next, let's check app.js to see whether the cursor input is being updated, and whether there's
|
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│ scroll handling.
|
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│
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│ read /home/mac/Code/dashboard/static/js/app.js ok 0.0s
|
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│ in
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│ {
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│ "filePath": "/home/mac/Code/dashboard/static/js/app.js"
|
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│ }
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│ out
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│ <path>/home/mac/Code/dashboard/static/js/app.js</path>
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│ <type>file</type>
|
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│ <content>
|
||
│ 1: (function () {
|
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│ 2: "use strict";
|
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│ 3:
|
||
│ 4: // ---------- tabs ----------
|
||
│ 5: const tabBtns = document.querySelectorAll(".tab-btn");
|
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│ 6: const sections = document.querySelectorAll(".tab");
|
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│ 7:
|
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│ 8: function showTab(name) {
|
||
│ 9: tabBtns.forEach((b) => b.classList.toggle("active", b.dataset.tab === name));
|
||
│ 10: sections.forEach((s) => s.classList.toggle("hidden", s.id !== "tab-" + name));
|
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│ 11: try {
|
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│ 12: localStorage.setItem("dash.tab", name);
|
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│ 13: } catch (e) {}
|
||
│ 14: }
|
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│ 15: tabBtns.forEach((b) => b.addEventListener("click", () => showTab(b.dataset.tab)));
|
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│ 16: try {
|
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│ 17: const saved = localStorage.getItem("dash.tab");
|
||
│ 18: if (saved && document.getElementById("tab-" + saved)) showTab(saved);
|
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│ 19: } catch (e) {}
|
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│ 20:
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│ 21: // ---------- helpers ----------
|
||
│ 22: function fmtBytes(n, digits) {
|
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│ 23: if (n == null || isNaN(n)) return "—";
|
||
│ 24: if (digits == null) digits = 1;
|
||
│ 25: const u = ["B", "KiB", "MiB", "GiB", "TiB"];
|
||
│ 26: let i = 0;
|
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│ 27: while (Math.abs(n) >= 1024 && i < u.length - 1) {
|
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│ 28: n /= 1024;
|
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│ 29: i++;
|
||
│ 30: }
|
||
│ 31: return n.toFixed(digits) + " " + u[i];
|
||
│ 32: }
|
||
│ 33:
|
||
│ 34: function fmtTime(ts) {
|
||
│ 35: const d = new Date(ts * 1000);
|
||
│ 36: return d.toLocaleTimeString([], { hour12: false });
|
||
│ 37: }
|
||
│ 38:
|
||
│ 39: // ---------- charts ----------
|
||
│ 40: const charts = {};
|
||
│ 41:
|
||
│ 42: function baseOpts(extra) {
|
||
│ 43: const o = {
|
||
│ 44: animation: false,
|
||
│ 45: responsive: true,
|
||
│ 46: maintainAspectRatio: false,
|
||
│ 47: interaction: { mode: "index", intersect: false },
|
||
│ 48: plugins: { legend: { display: false } },
|
||
│ 49: scales: {
|
||
│ 50: x: { ticks: { maxTicksLimit: 7, maxRotation: 0, color: "#7d8a9c" }, grid: {
|
||
│ display: false } },
|
||
│ 51: y: { beginAtZero: true, ticks: { color: "#7d8a9c" }, grid: { color:
|
||
│ "rgba(42,51,66,.5)" } },
|
||
│ 52: },
|
||
│ 53: };
|
||
│ 54: if (extra) Object.assign(o.scal
|
||
│ … [5741 more chars]
|
||
│
|
||
│ tokens 1731 in 60 out 12448 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:11:04 • assistant • Qwen3.8-27B-Think @plan
|
||
│
|
||
│ Okay, now I understand the whole mechanism. Let me analyze the bug.
|
||
│
|
||
│ Flow:
|
||
│ 1. First load (no cursor): the router fetches the most recent 100 lines, returns them, and the
|
||
│ JS sets `journalCursor.value` to the cursor of the last line.
|
||
│ 2. Every 5 seconds: hx-get with the `cursor` parameter. The router calls `journal.tail(cursor,
|
||
│ ...)`, using `--after-cursor` to fetch entries *after* the cursor. Entries after the cursor are
|
||
│ appended.
|
||
│
|
||
│ Wait a sec — so if the cursor is being tracked correctly, why is the output being repeated?
|
||
│
|
||
│ Possible causes of duplication:
|
||
│
|
||
│ 1. **Trimming (MAX_LINES) invalidates the cursor**: The JS trims `#journal-log` to 500 lines
|
||
│ (MAX_LINES = 500). The cursor is tracked from the last line — since it trims from the top, the
|
||
│ cursor remains valid (points to the last displayed line, which is the most recent). Actually,
|
||
│ trimming removes old lines, so cursor = cursor of the last line — no problem.
|
||
│
|
||
│ Wait, but there's a subtle point: `journalCursor.value = last.dataset.cursor` — if the
|
||
│ response had 0 new entries (the `entries` list is empty), the template renders nothing,
|
||
│ `lines` is the existing lines in the DOM, and `last` is the last existing line, whose cursor
|
||
│ is the same as what's already stored. No problem.
|
||
│
|
||
│ Hmm, wait, actually there's a subtle issue: `document.querySelectorAll(".jline")` is scoped
|
||
│ to `journalLog` — no problem.
|
||
│
|
||
│ 2. **`--after-cursor` semantics**: `--after-cursor` shows entries *after* the cursor, not
|
||
│ including the entry at the cursor position. So no duplication there... except in the case where
|
||
│ the cursor points to an entry that was already fetched... Let me think about the hide_sudo case:
|
||
│
|
||
│ In `tail()`, when `hide_sudo` is on, it fetches `lines * 2` entries and then filters out sudo
|
||
│ entries. `last_cursor = entries[-1]["cursor"]` — this is the cursor of the last *non-sudo*
|
||
│ entry after filtering. Okay, that's consistent — the cursor tracks the last *displayed*
|
||
│ entry.
|
||
│
|
||
│ 3. **The real bug**: Let me re-read. "On internal reload, the j
|
||
│ … [18404 more chars]
|
||
│
|
||
│ bash ls -la static/vendor/ && git log --oneline -8 -- app/journal.py app/routers/… ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "command": "ls -la static/vendor/ && git log --oneline -8 -- app/journal.py
|
||
│ app/routers/journal.py templates/journal.html templates/index.html static/js/app.js"
|
||
│ }
|
||
│ out
|
||
│ total 252
|
||
│ drwxr-xr-x 1 mac mac 54 29. Aug 20:07 .
|
||
│ drwxr-xr-x 1 mac mac 22 29. Aug 21:19 ..
|
||
│ -rw-r--r-- 1 mac mac 205125 29. Aug 20:07 chart.umd.min.js
|
||
│ -rw-r--r-- 1 mac mac 48101 29. Aug 20:07 htmx.min.js
|
||
│ 9fa4e15 Bugfix: Flickering overview charts because of bad choice of point reducing method
|
||
│ 6fdfde8 Initial commit
|
||
│ grep name ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "pattern": "name",
|
||
│ "path": "/home/mac/Code/dashboard/static/vendor",
|
||
│ "include": "htmx.min.js"
|
||
│ }
|
||
│ out
|
||
│ Found 1 matches
|
||
│ /home/mac/Code/dashboard/static/vendor/htmx.min.js:
|
||
│ Line 1: (function(e,t){if(typeof define==="function"&&define.amd){define([],t)}else
|
||
│ if(typeof
|
||
│ module==="object"&&module.exports){module.exports=t()}else{e.htmx=e.htmx||t()}})(typeof
|
||
│ self!=="undefined"?self:this,function(){return function(){"use strict";var
|
||
│ Q={onLoad:F,process:zt,on:de,off:ge,trigger:ce,ajax:Nr,find:C,findAll:f,closest:v,values:f
|
||
│ unction(e,t){var r=dr(e,t||"post");return
|
||
│ r.values},remove:_,addClass:z,removeClass:n,toggleClass:$,takeClass:W,defineExtension:Ur,r
|
||
│ emoveExtension:Br,logAll:V,logNone:j,logger:null,config:{historyEnabled:true,historyCacheS
|
||
│ ize:10,refreshOnHistoryMiss:false,defaultSwapStyle:"innerHTML",defaultSwapDelay:0,defaultS
|
||
│ ettleDelay:20,includeIndicatorStyles:true,indicatorClass:"htmx-indicator",requestClass:"ht
|
||
│ mx-request",addedClass:"htmx-added",settlingClass:"htmx-settling",swappingClass:"htmx-swap
|
||
│ ping",allowEval:true,allowScriptTags:true,inlineScriptNonce:"",attributesToSettle:["class"
|
||
│ ,"style","width","height"],withCredentials:false,timeout:0,wsReconnectDelay:"full-jitter",
|
||
│ wsBinaryType:"blob",disableSelector:"[hx-disable],
|
||
│ [data-hx-disable]",useTemplateFragments:false,scrollBehavior:"smooth",defaultFocusScroll:f
|
||
│ alse,getCacheBusterParam:false,globalViewTransitions:false,methodsThatUseUrlParams:["get"]
|
||
│ ,selfRequestsOnly:false,ignoreTitle:false,scrollIntoViewOnBoost:true,triggerSpecsCache:nul
|
||
│ l},parseInterval:d,_:t,createEventSource:function(e){return new
|
||
│ EventSource(e,{withCredentials:true})},createWebSocket:function(e){var t=new
|
||
│ WebSocket(e,[]);t.binaryType=Q.config.wsBinaryType;return t},version:"1.9.12"};var
|
||
│ r={addTriggerHandler:Lt,bodyContains:se,canAccessLocalStorage:U,findThisElement:xe,filterV
|
||
│ alues:yr,hasAttribute:o,getAttributeValue:te,getClosestAttributeValue:ne,getClosestMatch:c
|
||
│ ,getExpressionVars:Hr,getHeaders:xr,getInputValues:dr,getInternalData:ae,getSwapSpecificat
|
||
│ ion:wr,getTriggerSpecs:it,getTarget:ye,makeFragment:l,mergeObjects:le,makeSettleInfo:T,oob
|
||
│ Swap:E
|
||
│ … [81 more chars]
|
||
│
|
||
│ tokens 2714 in 5386 out 14239 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:13:21 • assistant • Qwen3.8-27B-Think @plan
|
||
│
|
||
│ The minified file is one long line. Let me search for input collection logic. In htmx 1.9.12,
|
||
│ the function that collects input values is `dr`. Let me look for the part that filters inputs by
|
||
│ name. I'll search for patterns like `.name` or `attrInput` in the minified file. Let me try
|
||
│ extracting the relevant part with grep using a specific pattern.
|
||
│
|
||
│ bash rg -o 'function dr\([^}]*' static/vendor/htmx.min.js | head -50; echo ---; r… ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "command": "rg -o 'function dr\\([^}]*' static/vendor/htmx.min.js | head -50; echo ---; rg
|
||
│ -o 'querySelectorAll\\([^)]*\\)' static/vendor/htmx.min.js | sort -u | head"
|
||
│ }
|
||
│ out
|
||
│ function dr(e,t){var r=[];var n={
|
||
│ ---
|
||
│ querySelectorAll("[hx-trigger='restored'],[data-hx-trigger='restored']")
|
||
│ querySelectorAll("[hx-trigger='revealed'],[data-hx-trigger='revealed']")
|
||
│ querySelectorAll("[id]")
|
||
│ querySelectorAll(i+t+", form, [type='submit'], [hx-sse], [data-hx-sse], [hx-ws],"+"
|
||
│ [data-hx-ws], [hx-ext], [data-hx-ext], [hx-trigger], [data-hx-trigger], [hx-on],
|
||
│ [data-hx-on]")
|
||
│ querySelectorAll(J(t)
|
||
│ querySelectorAll(n)
|
||
│ querySelectorAll("option:checked")
|
||
│ querySelectorAll(rt)
|
||
│ querySelectorAll("script")
|
||
│ querySelectorAll(t)
|
||
│
|
||
│ tokens 748 in 164 out 22340 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:13:27 • assistant • Qwen3.8-27B-Think @plan
|
||
│
|
||
│ Let's extract the `dr` function more completely — this is getInputValues. Since the file is
|
||
│ minified into a single line, we need to extract the substring. Let me use python to print out
|
||
│ the region around `function dr(`.
|
||
│
|
||
│ bash python3 - <<'EOF' import re src = open('static/vendor/htmx.min.js').read() i… ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "command": "python3 - <<'EOF'\nimport re\nsrc =
|
||
│ open('static/vendor/htmx.min.js').read()\ni = src.find('function
|
||
│ dr(')\nprint(src[i:i+1600])\nEOF"
|
||
│ }
|
||
│ out function dr(e,t){var r=[];var n={};var i={};var a=[];var
|
||
│ o=ae(e);if(o.lastButtonClicked&&!se(o.lastButtonClicked)){o.lastButtonClicked=null}var
|
||
│ s=h(e,"form")&&e.noValidate!==true||te(e,"hx-validate")==="true";if(o.lastButtonClicked){s=s&&
|
||
│ o.lastButtonClicked.formNoValidate!==true}if(t!=="get"){hr(r,i,a,v(e,"form"),s)}hr(r,n,a,e,s);
|
||
│ if(o.lastButtonClicked||e.tagName==="BUTTON"||e.tagName==="INPUT"&&ee(e,"type")==="submit"){va
|
||
│ r l=o.lastButtonClicked||e;var u=ee(l,"name");cr(u,l.value,i)}var
|
||
│ f=me(e,"hx-include");oe(f,function(e){hr(r,n,a,e,s);if(!h(e,"form")){oe(e.querySelectorAll(rt)
|
||
│ ,function(e){hr(r,n,a,e,s)})}});n=le(n,i);return{errors:a,values:n}}function
|
||
│ gr(e,t,r){if(e!==""){e+="&"}if(String(r)==="[object Object]"){r=JSON.stringify(r)}var
|
||
│ n=encodeURIComponent(r);e+=encodeURIComponent(t)+"="+n;return e}function pr(e){var
|
||
│ t="";for(var r in e){if(e.hasOwnProperty(r)){var
|
||
│ n=e[r];if(Array.isArray(n)){oe(n,function(e){t=gr(t,r,e)})}else{t=gr(t,r,n)}}}return
|
||
│ t}function mr(e){var t=new FormData;for(var r in e){if(e.hasOwnProperty(r)){var
|
||
│ n=e[r];if(Array.isArray(n)){oe(n,function(e){t.append(r,e)})}else{t.append(r,n)}}}return
|
||
│ t}function xr(e,t,r){var
|
||
│ n={"HX-Request":"true","HX-Trigger":ee(e,"id"),"HX-Trigger-Name":ee(e,"name"),"HX-Target":te(t
|
||
│ ,"id"),"HX-Current-URL":re().location.href};Rr(e,"hx-headers",false,n);if(r!==undefined){n["HX
|
||
│ -Prompt"]=r}if(ae(e).boosted){n["HX-Boosted"]="true"}return n}function yr(t,e){var
|
||
│ r=ne(e,"hx-params");if(r){if(r==="none"){return{}}else if(r==="*"){return t}else
|
||
│ if(r.indexOf("not ")===0){oe(r.substr(4).split(","),function(e){e=e.trim();delete t[e]})
|
||
│
|
||
│ tokens 176 in 125 out 23253 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:13:30 • assistant • Qwen3.8-27B-Think @plan
|
||
│
|
||
│ Next, let's look at the `hr` function, i.e., the function that processes inputs into the `r`/`n`
|
||
│ arrays.
|
||
│
|
||
│ bash python3 - <<'EOF' import re src = open('static/vendor/htmx.min.js').read() i… ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "command": "python3 - <<'EOF'\nimport re\nsrc =
|
||
│ open('static/vendor/htmx.min.js').read()\ni = src.find('function
|
||
│ hr(')\nprint(src[i:i+900])\nprint('---vr---')\nj = src.find('function
|
||
│ vr(')\nprint(src[j:j+700] if j != -1 else 'not found')\nEOF"
|
||
│ }
|
||
│ out
|
||
│ function hr(t,r,n,e,i){if(e==null||ur(t,e)){return}else{t.push(e)}if(fr(e)){var
|
||
│ a=ee(e,"name");var
|
||
│ o=e.value;if(e.multiple&&e.tagName==="SELECT"){o=M(e.querySelectorAll("option:checked")).map
|
||
│ (function(e){return
|
||
│ e.value})}if(e.files){o=M(e.files)}cr(a,o,r);if(i){vr(e,n)}}if(h(e,"form")){var
|
||
│ s=e.elements;oe(s,function(e){hr(t,r,n,e,i)})}}function
|
||
│ vr(e,t){if(e.willValidate){ce(e,"htmx:validation:validate");if(!e.checkValidity()){t.push({e
|
||
│ lt:e,message:e.validationMessage,validity:e.validity});ce(e,"htmx:validation:failed",{messag
|
||
│ e:e.validationMessage,validity:e.validity})}}}function dr(e,t){var r=[];var n={};var
|
||
│ i={};var a=[];var
|
||
│ o=ae(e);if(o.lastButtonClicked&&!se(o.lastButtonClicked)){o.lastButtonClicked=null}var
|
||
│ s=h(e,"form")&&e.noValidate!==true||te(e,"hx-validate")==="true";if(o.lastButtonClicked){s=s
|
||
│ &&o.lastButtonClicked.formNoValidate!==true}if(t!=="get"){hr(r,i,a,v(e,"form"),s)}hr(r,
|
||
│ ---vr---
|
||
│ function
|
||
│ vr(e,t){if(e.willValidate){ce(e,"htmx:validation:validate");if(!e.checkValidity()){t.push({e
|
||
│ lt:e,message:e.validationMessage,validity:e.validity});ce(e,"htmx:validation:failed",{messag
|
||
│ e:e.validationMessage,validity:e.validity})}}}function dr(e,t){var r=[];var n={};var
|
||
│ i={};var a=[];var
|
||
│ o=ae(e);if(o.lastButtonClicked&&!se(o.lastButtonClicked)){o.lastButtonClicked=null}var
|
||
│ s=h(e,"form")&&e.noValidate!==true||te(e,"hx-validate")==="true";if(o.lastButtonClicked){s=s
|
||
│ &&o.lastButtonClicked.formNoValidate!==true}if(t!=="get"){hr(r,i,a,v(e,"form"),s)}hr(r,n,a,e
|
||
│ ,s);if(o.lastButtonClicked||e.tagName==="BUTTON"||e.tagName==="INPUT"&&ee(e,"type")==="submi
|
||
│ t"){var l=o.lastButtonClicked||e;var u=ee
|
||
│
|
||
│ tokens 554 in 143 out 23554 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:13:34 • assistant • Qwen3.8-27B-Think @plan
|
||
│
|
||
│ Now let's look at `cr` (the function that adds name/value to the dictionary) and check whether
|
||
│ it skips empty names:
|
||
│
|
||
│ bash python3 - <<'EOF' src = open('static/vendor/htmx.min.js').read() i = src.fin… ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "command": "python3 - <<'EOF'\nsrc = open('static/vendor/htmx.min.js').read()\ni =
|
||
│ src.find('function cr(')\nprint(src[i:i+400])\nprint('---ee---')\nj = src.find('function
|
||
│ ee(')\nprint(src[j:j+200])\nEOF"
|
||
│ }
|
||
│ out
|
||
│ function cr(e,t,r){if(e!=null&&t!=null){var n=r[e];if(n===undefined){r[e]=t}else
|
||
│ if(Array.isArray(n)){if(Array.isArray(t)){r[e]=n.concat(t)}else{n.push(t)}}else{if(Array.isA
|
||
│ rray(t)){r[e]=[n].concat(t)}else{r[e]=[n,t]}}}}function
|
||
│ hr(t,r,n,e,i){if(e==null||ur(t,e)){return}else{t.push(e)}if(fr(e)){var a=ee(e,"name");var
|
||
│ o=e.value;if(e.multiple&&e.tagName==="SELECT"){o=M(e.querySelectorAll("option:che
|
||
│ ---ee---
|
||
│ function ee(e,t){return e.getAttribute&&e.getAttribute(t)}function o(e,t){return
|
||
│ e.hasAttribute&&(e.hasAttribute(t)||e.hasAttribute("data-"+t))}function te(e,t){return
|
||
│ ee(e,t)||ee(e,"data-"+t)}functio
|
||
│
|
||
│ tokens 520 in 126 out 24251 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:13:38 • assistant • Qwen3.8-27B-Think @plan
|
||
│
|
||
│ Confirming the root cause:
|
||
│
|
||
│ - `hr()` reads the input's `name` via `ee(e, "name")` (getAttribute("name")).
|
||
│ - `cr(a, o, r)` only stores the value when `a != null` (name is non-null).
|
||
│
|
||
│ The hidden input in templates/index.html:72 is as follows:
|
||
│ ```html
|
||
│ <input type="hidden" id="journal-cursor" value="">
|
||
│ ```
|
||
│ Since there's **no `name` attribute**, `ee(e,"name")` returns `null`, and `cr(null, value,
|
||
│ values)` does nothing. In other words, htmx never sends `cursor` at all, even though
|
||
│ `hx-include="#journal-cursor"` is present.
|
||
│
|
||
│ Therefore, on every 5-second poll, `cursor` arrives as `""` at the server, and the router
|
||
│ executes `lines = 200 if cursor else 100` → 100 → fetches the latest 100 lines with no
|
||
│ `--after-cursor` → appends them to `#journal-log` via `hx-swap="beforeend"` → the entire recent
|
||
│ batch gets duplicated on every internal reload. This matches the user's report exactly.
|
||
│
|
||
│ Also, even if `name="cursor"` is added, there's one more thing to consider: the JS trim handling
|
||
│ (MAX_LINES=500) keeps the cursor from the last line — no problem.
|
||
│
|
||
│ Now, are there any other contributing factors or edge cases that should be included in the plan?
|
||
│
|
||
│ 1. **Main fix**: Add `name="cursor"` to the hidden input in templates/index.html. This is a
|
||
│ template-only change (no server restart needed).
|
||
│
|
||
│ 2. **Secondary considerations** (should they be included in the plan?):
|
||
│ - **Race condition**: A filter submission and a scheduled 5-second poll could race with the
|
||
│ same cursor → the same batch gets appended twice. The submit handler synchronously clears the
|
||
│ log, but an in-flight poll (hx get) that had already fetched a response with the old cursor
|
||
│ could arrive after the new batch has been appended, and duplicate lines. htmx doesn't
|
||
│ automatically cancel in-flight requests… Actually, does htmx cancel the previous request for
|
||
│ the same element when a new one starts? No — htmx doesn't cancel in-flight requests by
|
||
│ default; both responses will be swapped. This can cause sporadic duplicates on filter chang
|
||
│ … [3308 more chars]
|
||
│
|
||
│ bash python3 - <<'EOF' src = open('static/vendor/htmx.min.js').read() for name in… ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "command": "python3 - <<'EOF'\nsrc = open('static/vendor/htmx.min.js').read()\nfor name in
|
||
│ ['function fr(', 'function ur(', 'function me(', 'function oe(']:\n i =
|
||
│ src.find(name)\n print(name, '->', src[i:i+220].split('function ')[1][:200])\n
|
||
│ print('---')\nEOF"
|
||
│ }
|
||
│ out
|
||
│ function fr( ->
|
||
│ fr(e){if(e.name===""||e.name==null||e.disabled||v(e,"fieldset[disabled]")){return
|
||
│ false}if(e.type==="button"||e.type==="submit"||e.tagName==="image"||e.tagName==="reset"||e.t
|
||
│ agName==="file"){return fa
|
||
│ ---
|
||
│ function ur( -> ur(e,t){for(var r=0;r<e.length;r++){var n=e[r];if(n.isSameNode(t)){return
|
||
│ true}}return false}
|
||
│ ---
|
||
│ function me( -> me(e,t){var r=ne(e,t);if(r){if(r==="this"){return[xe(e,t)]}else{var
|
||
│ n=Z(e,r);if(n.length===0){b('The selector "'+r+'" on '+t+" returned no
|
||
│ matches!");return[pe]}else{return n}}}}
|
||
│ ---
|
||
│ function oe( -> oe(e,t){if(e){for(var r=0;r<e.length;r++){t(e[r])}}}
|
||
│ ---
|
||
│
|
||
│ tokens 212 in 1463 out 24897 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:14:17 • assistant • Qwen3.8-27B-Think @plan
|
||
│
|
||
│ Definitively confirmed: `fr(e)` returns `false` when `e.name === "" || e.name === null` —
|
||
│ meaning that in htmx 1.9.12, an input without a `name` attribute is completely skipped. The
|
||
│ hidden input `<input type="hidden" id="journal-cursor" value="">` at templates/index.html:72 has
|
||
│ no `name`, so even though it's referenced by `hx-include`, the `cursor` parameter is **never
|
||
│ sent**.
|
||
│
|
||
│ Result: every 5-second poll reaches `/api/journal` with `cursor=""` → `lines = 100` → no
|
||
│ `--after-cursor` → the latest 100 entries get returned → `hx-swap="beforeend"` appends all of
|
||
│ them again. Every internal reload duplicates the entire recent batch. Exactly the reported bug.
|
||
│
|
||
│ Fix: add `name="cursor"` to the hidden input. Template-only change, no server restart needed
|
||
│ (per AGENTS.md, templates are auto-reloaded).
|
||
│
|
||
│ Now, should I also verify there are no other issues? Let me re-examine the full flow after the
|
||
│ fix, including the trim logic:
|
||
│
|
||
│ - DOM capped at 500 lines (MAX_LINES), cursor read from last line → `--after-cursor` only
|
||
│ fetches entries newer than the last displayed one. Correct, no duplicates.
|
||
│ - Filter submit: clears the log + resets cursor → fresh 100-line fetch. Correct.
|
||
│ - Race condition (optional): while an in-flight poll has already received a response (fetched
|
||
│ with cursor C1), the user submits a filter → log cleared → new batch appended → stale response
|
||
│ arrives and gets appended → duplication. Rare, transient. Optional hardening: dedupe in
|
||
│ `htmx:afterSwap` using the existing `data-cursor` attributes — drop incoming `.jline`s whose
|
||
│ cursor already exists in the DOM. But watch the ordering: appended lines come at the end, and
|
||
│ the dedupe set should be built from the lines that existed before the swap. Since the swap
|
||
│ appends after the existing lines, we can: capture the set of existing cursors before... but in
|
||
│ afterSwap it's after the swap. Hmm — can we distinguish "old" from "new"? Does htmx add the
|
||
│ `htmx-added` class to appended elements? `addedClass: "htmx-added"` — yes, htmx adds
|
||
│ … [2123 more chars]
|
||
│
|
||
│ I've confirmed the root cause. Let me verify one more edge case — stale cursor behavior after a
|
||
│ reboot:
|
||
│
|
||
│ bash journalctl --no-pager -n 1 -o export 2>&1 | head -3; echo "rc=$?"; echo ---;… ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "command": "journalctl --no-pager -n 1 -o export 2>&1 | head -3; echo \"rc=$?\"; echo ---;
|
||
│ sudo journalctl --no-pager -o export -n 2
|
||
│ --after-cursor=\"s=00000000000000000000000000000000;i=1000;b=00000000-0000-0000-0000-00000
|
||
│ 0000000;m=0;t=0;x=0\" 2>&1 | head -5; echo \"rc=$?\""
|
||
│ }
|
||
│ out
|
||
│ __CURSOR=s=661e4453b30f48c98a757a56bbb10e5c;i=3c141;b=31722cade7ee4be4a1dc50856789b79f;m=826
|
||
│ 1f4e4b;t=65a46d27c1db4;x=94c96920fa202514
|
||
│ __REALTIME_TIMESTAMP=1788110085823924
|
||
│ __MONOTONIC_TIMESTAMP=34999324235
|
||
│ rc=0
|
||
│ ---
|
||
│ __CURSOR=s=661e4453b30f48c98a757a56bbb10e5c;i=7d1;b=3a191a6554ca45a18ad0ea2f53d8a9ec;m=17545
|
||
│ 59;t=6589f9412469c;x=c54d7e3e308b37f0
|
||
│ __REALTIME_TIMESTAMP=1786292267533980
|
||
│ __MONOTONIC_TIMESTAMP=24462681
|
||
│ __SEQNUM=2001
|
||
│ __SEQNUM_ID=661e4453b30f48c98a757a56bbb10e5c
|
||
│ rc=0
|
||
│
|
||
│ tokens 226 in 1213 out 26571 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:14:50 • assistant • Qwen3.8-27B-Think @plan
|
||
│
|
||
│ Interesting — even with a completely fake/stale cursor (different boot id, seqnum 0), journalctl
|
||
│ didn't error out. It just returned entries (the first 2 entries after the cursor — which, since
|
||
│ the cursor is extremely old, turned out to be the oldest entries). So a stale cursor after a
|
||
│ reboot doesn't hard-fail. It either returns entries from after that point (potentially
|
||
│ re-appending old content once), or returns nothing. Either way it self-recovers. Good — no need
|
||
│ to handle reboots in the plan.
|
||
│
|
||
│ Alright, I'm confident in the analysis:
|
||
│
|
||
│ **Root cause**: `templates/index.html:72` — `<input type="hidden" id="journal-cursor" value="">`
|
||
│ has no `name` attribute. In htmx 1.9.12 (vendored), `fr()` skips inputs with `name == null`, so
|
||
│ `hx-include="#journal-cursor"` sends nothing. Every 5-second poll reaches the server with
|
||
│ `cursor=""`, and `/api/journal` always returns the most recent 100 lines, which
|
||
│ `hx-swap="beforeend"` appends again → the entire batch gets duplicated on every internal reload.
|
||
│
|
||
│ **Fix**: Add `name="cursor"` to the hidden input. One-line change to the template, no restart
|
||
│ needed (templates auto-reload).
|
||
│
|
||
│ **Verification**: Restart is not required, but to observe the polling I can curl the endpoint
|
||
│ with and without a cursor:
|
||
│ - `curl -s "http://127.0.0.1:8501/api/journal"` → 100 lines
|
||
│ - Grab the last data-cursor, then `curl -s "http://127.0.0.1:8501/api/journal?cursor=<c>"` →
|
||
│ only newer lines (0 if the system is quiet)
|
||
│
|
||
│ The browser-level check (no duplicates appearing in the UI over ~10–15 seconds) is the real
|
||
│ verification.
|
||
│
|
||
│ **Optional hardening** (present to user as a choice):
|
||
│ 1. Client-side dedup in `htmx:afterSwap`: discard incoming `.jline.htmx-added` entries whose
|
||
│ `data-cursor` already exists in the DOM. This defends against race conditions (filter submit vs.
|
||
│ in-flight poll).
|
||
│ 2. Server-side: not really needed.
|
||
│
|
||
│ Let me write up the plan concisely. Plan mode says I should present a well-formed plan. Keep it
|
||
│ concise. Ask whether they want the dedup hardening,
|
||
│ … [800 more chars]
|
||
│
|
||
│ Root cause found. Here's the analysis:
|
||
│
|
||
│ ## Root cause
|
||
│
|
||
│ `templates/index.html:72` — the hidden cursor input has **no `name` attribute**:
|
||
│
|
||
│ ```html
|
||
│ <input type="hidden" id="journal-cursor" value="">
|
||
│ ```
|
||
│
|
||
│ I verified in the vendored htmx 1.9.12 (`static/vendor/htmx.min.js`): its input-collection guard
|
||
│ `fr()` returns false for any input where `e.name == null`, so `hx-include="#journal-cursor"`
|
||
│ silently sends **nothing**. The `cursor` param therefore always arrives empty at
|
||
│ `app/routers/journal.py:18`.
|
||
│
|
||
│ Consequences, every 5 s poll:
|
||
│ - `app/routers/journal.py:23` → `lines = 200 if cursor else 100` → always the "no cursor" path
|
||
│ (100 lines, no `--after-cursor`)
|
||
│ - `journal.tail()` (`app/journal.py:76`) re-fetches the latest 100 entries
|
||
│ - `hx-swap="beforeend"` (`index.html:73`) appends the whole batch again
|
||
│
|
||
│ So the JS cursor tracking in `static/js/app.js:148` works fine client-side, but the value never
|
||
│ reaches the server — exactly the "appends the entire buffer on internal reload" symptom.
|
||
│
|
||
│ ## Plan
|
||
│
|
||
│ 1. **Fix (1 line, template-only, no server restart needed):** add `name="cursor"` to the hidden
|
||
│ input at `templates/index.html:72`.
|
||
│ 2. **Verify:**
|
||
│ - `curl -s http://127.0.0.1:8501/api/journal` → ~100 lines; grab the last `data-cursor`
|
||
│ - `curl -s "http://127.0.0.1:8501/api/journal?cursor=<c>"` → only entries newer than that (0
|
||
│ on a quiet system)
|
||
│ - Watch the Journal tab in a browser for ~15 s: no repeated batches
|
||
│ - `uv run python -m compileall -q app` (no Python changes expected, sanity only)
|
||
│
|
||
│ I also checked the reboot/stale-cursor edge case: `journalctl --after-cursor` with an old
|
||
│ boot-id cursor doesn't error (tested), so no extra handling needed.
|
||
│
|
||
│ One optional hardening: a rare race remains — submitting the filter form while a 5 s poll is in
|
||
│ flight can append a stale response after the fresh batch. A ~6-line dedup in the
|
||
│ `htmx:afterSwap` handler (drop incoming `.jline` whose `data-cursor` already exists in the DOM)
|
||
│ would cover it.
|
||
│
|
||
│ question Asked 1 question ok 86.6s
|
||
│ in
|
||
│ {
|
||
│ "questions": [
|
||
│ {
|
||
│ "question": "Fix scope: just the one-line root-cause fix, or also add the client-side
|
||
│ dedup guard against the filter-submit/poll race?",
|
||
│ "header": "Fix scope",
|
||
│ "options": [
|
||
│ {
|
||
│ "label": "One-line fix only (Recommended)",
|
||
│ "description": "Add name=\"cursor\" to the hidden input. Fixes the reported bug
|
||
│ with minimal change."
|
||
│ },
|
||
│ {
|
||
│ "label": "Fix + dedup guard",
|
||
│ "description": "Also dedup incoming lines by data-cursor in app.js to guard
|
||
│ against the rare in-flight-poll race when filters change."
|
||
│ }
|
||
│ ]
|
||
│ }
|
||
│ ]
|
||
│ }
|
||
│ out User has answered your questions: "Fix scope: just the one-line root-cause fix, or also
|
||
│ add the client-side dedup guard against the filter-submit/poll race?"="One-line fix only
|
||
│ (Recommended)". You can now continue with the user's answers in mind.
|
||
│
|
||
│ tokens 372 in 1429 out 28011 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:16:54 • assistant • Qwen3.8-27B-Think @plan
|
||
│
|
||
│ The user chose a one-line fix only. Since plan mode is still active, I should present the final
|
||
│ plan (execution is not yet possible). Actually — the user answered the question about the scope
|
||
│ of the fix. In plan mode, the next step is usually for the user to approve/switch to execution.
|
||
│ I should concisely present the final plan and wait for the go-ahead. Keep it short.
|
||
│
|
||
│ Final plan (awaiting your go-ahead to execute):
|
||
│
|
||
│ 1. `templates/index.html:72` — change to `<input type="hidden" id="journal-cursor" name="cursor"
|
||
│ value="">`
|
||
│ 2. Verify:
|
||
│ - `curl -s http://127.0.0.1:8501/api/journal` → note the last `data-cursor`
|
||
│ - `curl -s "http://127.0.0.1:8501/api/journal?cursor=<that-cursor>"` → expect only newer
|
||
│ entries (empty on a quiet system)
|
||
│ - `uv run python -m compileall -q app` (sanity; no Python changes)
|
||
│
|
||
│ No restart needed — templates auto-reload. Say the word and I'll apply it.
|
||
│
|
||
│ tokens 70 in 260 out 29813 cached 0 written $0.0000 stop
|
||
|
||
|
||
│ 2026-08-30 19:17:07 • user
|
||
│
|
||
│ go
|
||
|
||
|
||
│ 2026-08-30 19:17:07 • assistant • Qwen3.8-27B-Think
|
||
│
|
||
│ Let's apply a one-line fix. First, we need to read the file (already read). Let's edit line 72
|
||
│ of index.html.
|
||
│
|
||
│ edit /home/mac/Code/dashboard/templates/index.html ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "filePath": "/home/mac/Code/dashboard/templates/index.html",
|
||
│ "oldString": "<input type=\"hidden\" id=\"journal-cursor\" value=\"\">",
|
||
│ "newString": "<input type=\"hidden\" id=\"journal-cursor\" name=\"cursor\" value=\"\">"
|
||
│ }
|
||
│ out Edit applied successfully.
|
||
│
|
||
│ tokens 21025 in 120 out 8906 cached 0 written $0.0000 tool-calls
|
||
│
|
||
│ patch 1 file(s) 739a2226
|
||
|
||
|
||
│ 2026-08-30 19:17:43 • assistant • Qwen3.8-27B-Think
|
||
│
|
||
│ Alright, let's verify. First, I'll check whether the server is running, then I'll access the
|
||
│ endpoint with curl.
|
||
│
|
||
│ Now verifying. Check server is up and test the cursor flow:
|
||
│
|
||
│ bash curl -s -o /dev/null -w "%{http_code}\n" http://127.0.0.1:8501/api/journal ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "command": "curl -s -o /dev/null -w \"%{http_code}\\n\" http://127.0.0.1:8501/api/journal"
|
||
│ }
|
||
│ out 200
|
||
│
|
||
│ tokens 20 in 104 out 30050 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:17:46 • assistant • Qwen3.8-27B-Think
|
||
│
|
||
│ The server is running. Next, I'll simulate the polling flow: fetch the journal without a cursor,
|
||
│ extract the last data-cursor, then fetch with that cursor attached and verify that only newer
|
||
│ entries (or none at all) are returned.
|
||
│
|
||
│ bash C=$(curl -s "http://127.0.0.1:8501/api/journal" | grep -o 'data-cursor="[^"]… ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "command": "C=$(curl -s \"http://127.0.0.1:8501/api/journal\" | grep -o
|
||
│ 'data-cursor=\"[^\"]*\"' | tail -1 | sed 's/data-cursor=\"//; s/\"$//')\necho
|
||
│ \"cursor_len=${#C}\"\nN1=$(curl -s \"http://127.0.0.1:8501/api/journal\" | grep -c
|
||
│ 'class=\"jline')\nsleep 6\nN2=$(curl -s \"http://127.0.0.1:8501/api/journal?cursor=$C\" |
|
||
│ grep -c 'class=\"jline')\necho \"no-cursor lines=$N1 after-cursor new lines=$N2\"",
|
||
│ "timeout": 30000
|
||
│ }
|
||
│ out
|
||
│ cursor_len=124
|
||
│ no-cursor lines=100 after-cursor new lines=9
|
||
│
|
||
│ tokens 19 in 263 out 30173 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:17:59 • assistant • Qwen3.8-27B-Think
|
||
│
|
||
│ The cursor mechanism is working:
|
||
│ - Without cursor: 100 lines (latest batch).
|
||
│ - With cursor (after 6 seconds): only 9 new lines — entries that occurred after the cursor
|
||
│ point. This is exactly the expected behavior: instead of re-appending all 100 lines, only new
|
||
│ lines are appended.
|
||
│
|
||
│ Additionally, I'll also verify idempotency: re-fetching with the same cursor returns 0 (no
|
||
│ duplicates). Also confirm that the hidden input currently has a name, and that the page is being
|
||
│ served with it (template auto-reload). Let's fetch the index page and verify that the rendered
|
||
│ HTML contains name="cursor".
|
||
│
|
||
│ The cursor flow is now working correctly — the second poll returns only 9 new lines instead of
|
||
│ the full 100-line batch. Let's verify idempotency (that re-polling with the same cursor doesn't
|
||
│ add duplicates) and confirm that the template has been auto-reloaded in the served page:
|
||
│
|
||
│ bash C=$(curl -s "http://127.0.0.1:8501/api/journal" | grep -o 'data-cursor="[^"]… ok 0.0s
|
||
│ in
|
||
│ {
|
||
│ "command": "C=$(curl -s \"http://127.0.0.1:8501/api/journal\" | grep -o
|
||
│ 'data-cursor=\"[^\"]*\"' | tail -1 | sed 's/data-cursor=\"//; s/\"$//')\nN2=$(curl -s
|
||
│ \"http://127.0.0.1:8501/api/journal?cursor=$C\" | grep -c 'class=\"jline')\nN3=$(curl -s
|
||
│ \"http://127.0.0.1:8501/api/journal?cursor=$C\" | grep -c 'class=\"jline')\necho \"repeat
|
||
│ polls: $N2 $N3\"\ncurl -s http://127.0.0.1:8501/ | grep -o '<input type=\"hidden\"
|
||
│ id=\"journal-cursor\"[^>]*>'\ngrep -c Traceback /tmp/dash.log || true",
|
||
│ "timeout": 30000
|
||
│ }
|
||
│ out
|
||
│ repeat polls: 3 6
|
||
│ <input type="hidden" id="journal-cursor" name="cursor" value="">
|
||
│ 0
|
||
│
|
||
│ tokens 39 in 455 out 30454 cached 0 written $0.0000 tool-calls
|
||
|
||
|
||
│ 2026-08-30 19:18:10 • assistant • Qwen3.8-27B-Think
|
||
│
|
||
│ Results:
|
||
│ - Repeated polling with the same cursor: 3 lines, then 6 lines — this means new entries are
|
||
│ arriving during the check (the system is active), and each polling returns only entries newer
|
||
│ than the cursor. No re-delivery of the batch (if it were duplication, we'd see 100 lines every
|
||
│ time).
|
||
│ - The served page now contains `name="cursor"` — template auto-reload is working.
|
||
│ - No traceback in the logs.
|
||
│
|
||
│ Done. Concise summary.
|
||
│
|
||
│ Fixed. `templates/index.html:72` now has `name="cursor"` on the hidden input, so htmx actually
|
||
│ sends the tracked cursor on each poll.
|
||
│
|
||
│ Verified against the running server (no restart needed):
|
||
│ - No cursor → 100 lines (initial batch, as before)
|
||
│ - With cursor → only 9 new lines after 6 s, and repeat polls return only entries newer than the
|
||
│ cursor (3, then 6 as new activity arrived) — no more full-batch repeats
|
||
│ - Served page contains the corrected input; no tracebacks in `/tmp/dash.log`
|
||
│
|
||
│ The Journal tab will now append only new lines on its 5 s internal reloads.
|
||
│
|
||
│ tokens 41 in 255 out 30949 cached 0 written $0.0000 stop
|
||
|