fix(ui): plain-text course excerpts, scroll button clear of composer on mobile

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

Simon-Pierre Boucher committed 18 days ago (Sep 6, 2026) parent a783830

2 changed files +11 −2

modified backend/app/tools/search_course.py +10 −1

		`@@ -2,6 +2,7 @@`
2	2
3	3	from __future__ import annotations
4	4
	5	+import re
5	6	from typing import Any
6	7
7	8	from pydantic import BaseModel, Field
		`@@ -12,6 +13,14 @@ from app.rag import retriever`
12	13	from app.tools.registry import ToolContext, registry
13	14
14	15
	16	+def _excerpt(text: str, limit: int = 280) -> str:
	17	+ """Plain-text excerpt for the UI card: drop LaTeX delimiters/commands and headings."""
	18	+ t = re.sub(r"\$\$?(.*?)\$\$?", lambda m: re.sub(r"\\[a-zA-Z]+\|[{}]", "", m.group(1)), text, flags=re.S)
	19	+ t = re.sub(r"^#+\s", "", t, flags=re.M).replace("*", "")
	20	+ t = re.sub(r"\s+", " ", t).strip()
	21	+ return t if len(t) <= limit else t[: limit - 1] + "…"
	22	+
	23	+
15	24	class SearchCourseArgs(BaseModel):
16	25	query: str = Field(..., min_length=2, max_length=400)
17	26	course: str \| None = Field(None, description="IMM1003, IMM1033 ou null pour les deux")
		`@@ -36,7 +45,7 @@ async def run(args: dict[str, Any], ctx: ToolContext) -> ToolResult:`
36	45	sources = [{
37	46	"index": i + 1, "id": h.chunk_id, "course": h.course, "module": h.module,
38	47	"section": h.section, "page": h.page, "url": h.url,
39		− "excerpt": h.content[:280].replace("\n", " "), "score": round(h.score, 3),
	48	+ "excerpt": _excerpt(h.content), "score": round(h.score, 3),
40	49	} for i, h in enumerate(hits)]
41	50	return ToolResult(
42	51	content=retriever.format_for_model(hits),

modified frontend/src/components/chat/chat-view.tsx +1 −1

		`@@ -81,7 +81,7 @@ export function ChatView() {`
81	81	</div>
82	82	{!atBottom && list.length > 0 && (
83	83	<button onClick={() => { setAtBottom(true); scrollRef.current?.scrollTo({ top: scrollRef.current.scrollHeight, behavior: 'smooth' }); }}
84		− className="absolute right-4 bottom-[132px] h-10 w-10 rounded-full bg-white border border-neutral-line shadow-card inline-flex items-center justify-center text-uqo-blue" aria-label="Aller en bas">
	84	+ className="absolute right-4 bottom-[196px] sm:bottom-[150px] h-10 w-10 rounded-full bg-white border border-neutral-line shadow-card inline-flex items-center justify-center text-uqo-blue" aria-label="Aller en bas">
85	85	<ArrowDown size={18} />
86	86	</button>
87	87	)}
88	88