feat(tickets): création d'un assistant IA de ticket (backend + frontend)

Ajoute le chat assistant IA attaché à un ticket (#8).

Backend Rust :
- use cases OpenTicketAssistant/CloseTicketAssistant + tests
- politique d'outils par agent (domain/agent_tool_policy) et policy MCP
- store de contexte assistant + gabarit default_ticket_assistant.md + tests
- events TicketAssistantOpened/Closed
- commandes Tauri open_ticket_chat/close_ticket_chat et câblage state/lib/events

Frontend :
- gateway (ports, adapters ticket + mock, domain)
- hook useTicketAssistant + composant TicketAssistantPanel
- intégration dans TicketDetail

Tests verts : vitest tickets.test.tsx (23), cargo test application::ticket_assistant (1),
infrastructure::assistant_context_store (2).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
2026-07-06 06:06:24 +02:00
parent f1803768fd
commit 1fdf62c089
29 changed files with 2173 additions and 49 deletions

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@ -0,0 +1,178 @@
/**
* Ticket AI assistant chat panel (ticket #8, F2).
*
* Consumes {@link useTicketAssistant} to drive a ticket-scoped assistant: pick
* an AI profile, open a read-only session bound to this ticket, then converse.
* The assistant can only read files and edit *this* ticket — its edits refresh
* the ticket automatically (see {@link useTicketDetail}). Purely presentational:
* all session/streaming logic lives in the hook.
*/
import { useEffect, useRef, useState } from "react";
import { Button, Spinner, cn } from "@/shared";
import { useTicketAssistant } from "./useTicketAssistant";
const selectClass = cn(
"h-9 rounded-md bg-raised px-3 text-sm text-content",
"border border-border outline-none transition-colors",
"focus:border-primary disabled:cursor-not-allowed disabled:opacity-50",
);
export interface TicketAssistantPanelProps {
projectId: string;
ticketRef: string;
}
export function TicketAssistantPanel({
projectId,
ticketRef,
}: TicketAssistantPanelProps) {
const vm = useTicketAssistant(projectId, ticketRef);
const [profileId, setProfileId] = useState("");
const [draft, setDraft] = useState("");
// Auto-scroll the transcript to the newest content as it streams in.
const scrollRef = useRef<HTMLDivElement>(null);
useEffect(() => {
const el = scrollRef.current;
if (el) el.scrollTop = el.scrollHeight;
}, [vm.turns]);
const open = vm.sessionId !== null;
function submit() {
const text = draft.trim();
if (!text || vm.busy) return;
void vm.send(text);
setDraft("");
}
return (
<div className="flex flex-col gap-3">
{!open ? (
// ── Session opener ──
<div className="flex flex-wrap items-center gap-2">
<select
aria-label="profil de l'assistant"
className={selectClass}
value={profileId}
disabled={vm.opening || vm.profiles.length === 0}
onChange={(e) => setProfileId(e.target.value)}
>
<option value="">
{vm.profiles.length === 0
? "Aucun profil disponible"
: "Choisir un profil IA…"}
</option>
{vm.profiles.map((p) => (
<option key={p.id} value={p.id}>
{p.name}
</option>
))}
</select>
<Button
size="sm"
disabled={!profileId || vm.opening}
loading={vm.opening}
onClick={() => void vm.open(profileId)}
>
Ouvrir la conversation
</Button>
</div>
) : (
// ── Live conversation ──
<div className="flex flex-col gap-3">
<div className="flex items-center justify-between gap-2">
<span className="text-xs text-muted">
Conversation ouverte l'assistant peut lire le projet et éditer ce
ticket.
</span>
<Button
size="sm"
variant="ghost"
disabled={vm.busy}
onClick={() => void vm.close()}
>
Fermer la conversation
</Button>
</div>
<div
ref={scrollRef}
className="flex max-h-96 min-h-32 flex-col gap-2 overflow-auto rounded-md border border-border bg-raised/40 p-3"
>
{vm.turns.length === 0 ? (
<p className="m-auto text-xs text-muted">
Démarrez la conversation en décrivant ce que l'assistant doit
faire sur ce ticket.
</p>
) : (
vm.turns.map((turn, i) => (
<div
key={i}
className={cn(
"flex",
turn.role === "user" ? "justify-end" : "justify-start",
)}
>
<div
className={cn(
"max-w-[85%] whitespace-pre-wrap break-words rounded-lg px-3 py-2 text-sm",
turn.role === "user"
? "bg-primary/15 text-content"
: "bg-surface text-content",
)}
>
{turn.text}
{turn.pending && (
<span className="ml-1 inline-flex items-center align-middle text-muted">
<Spinner size={12} />
</span>
)}
</div>
</div>
))
)}
</div>
<div className="flex items-end gap-2">
<textarea
aria-label="message à l'assistant"
className={cn(
"min-h-10 flex-1 resize-none rounded-md bg-raised p-2 text-sm text-content",
"border border-border outline-none transition-colors",
"focus:border-primary disabled:cursor-not-allowed disabled:opacity-50",
)}
rows={2}
placeholder="Votre message…"
value={draft}
disabled={vm.busy}
onChange={(e) => setDraft(e.target.value)}
onKeyDown={(e) => {
if (e.key === "Enter" && !e.shiftKey) {
e.preventDefault();
submit();
}
}}
/>
<Button
size="sm"
disabled={!draft.trim() || vm.busy}
loading={vm.busy}
onClick={submit}
>
Envoyer
</Button>
</div>
</div>
)}
{vm.error && (
<p role="alert" className="text-xs text-danger">
{vm.error}
</p>
)}
</div>
);
}

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@ -15,6 +15,7 @@ import type { TicketLinkKind } from "@/domain";
import { Button, Input, Spinner, cn } from "@/shared";
import { useTicketDetail } from "./useTicketDetail";
import { useProjectAgents } from "./useProjectAgents";
import { TicketAssistantPanel } from "./TicketAssistantPanel";
import {
PriorityBadge,
StatusBadge,
@ -498,6 +499,14 @@ export function TicketDetail({
</Button>
</div>
</Section>
{/* ── AI assistant chat (#8, F2) ── */}
<Section
title="Assistant IA"
hint="Conversez avec un agent IA pour faire évoluer ce ticket. L'agent lit le projet en lecture seule et ne peut éditer que ce ticket."
>
<TicketAssistantPanel projectId={projectId} ticketRef={ticketRef} />
</Section>
</div>
)}

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@ -10,6 +10,7 @@ import {
import { DIProvider } from "@/app/di";
import {
MockAgentGateway,
MockProfileGateway,
MockSystemGateway,
MockTicketGateway,
} from "@/adapters/mock";
@ -43,6 +44,18 @@ function renderView(
);
}
async function seedAssistantProfile(profile: MockProfileGateway) {
return profile.saveProfile({
id: "qa-assistant",
name: "QA Assistant",
command: "codex",
args: [],
contextInjection: { strategy: "conventionFile", target: "AGENTS.md" },
detect: null,
cwdTemplate: "{projectRoot}",
});
}
describe("MockTicketGateway", () => {
let system: MockSystemGateway;
let ticket: MockTicketGateway;
@ -427,6 +440,66 @@ describe("TicketsView", () => {
),
);
});
it("opens, streams, and closes the ticket AI assistant chat (#8)", async () => {
const t = await ticket.create(PROJECT_ID, { title: "Assistant target" });
const profile = new MockProfileGateway();
await seedAssistantProfile(profile);
const gateways = { ticket, system, agent, profile } as unknown as Gateways;
render(
<DIProvider gateways={gateways}>
<TicketDetail
projectId={PROJECT_ID}
ticketRef={t.ref}
onClose={() => {}}
onOpenRef={() => {}}
/>
</DIProvider>,
);
const detail = await screen.findByRole("dialog", { name: `ticket ${t.ref}` });
expect(within(detail).getByText("Assistant IA")).toBeTruthy();
const profileSelect = await within(detail).findByLabelText(
"profil de l'assistant",
);
expect(within(detail).getByText("Ouvrir la conversation")).toBeTruthy();
fireEvent.change(profileSelect, { target: { value: "qa-assistant" } });
fireEvent.click(within(detail).getByText("Ouvrir la conversation"));
expect(
await within(detail).findByLabelText("message à l'assistant"),
).toBeTruthy();
fireEvent.change(within(detail).getByLabelText("message à l'assistant"), {
target: { value: "Crée un plan de correction" },
});
fireEvent.click(within(detail).getByText("Envoyer"));
expect(await within(detail).findByText("Crée un plan de correction")).toBeTruthy();
expect(
await within(detail).findByText(
"Assistant: reçu « Crée un plan de correction ».",
),
).toBeTruthy();
fireEvent.click(within(detail).getByText("Fermer la conversation"));
await waitFor(() =>
expect(
within(detail).queryByLabelText("message à l'assistant"),
).toBeNull(),
);
expect(within(detail).getByText("Ouvrir la conversation")).toBeTruthy();
expect(
within(detail).queryByText("Crée un plan de correction"),
).toBeNull();
expect(
within(detail).queryByText("Assistant: reçu « Crée un plan de correction »."),
).toBeNull();
});
});
describe("SprintManager (#11)", () => {

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@ -0,0 +1,177 @@
/**
* View-model hook for the ticket AI assistant chat (ticket #8, F2).
*
* Owns a ticket-scoped assistant session: it lists the AI profiles to drive the
* assistant, opens/closes the session via the {@link TicketGateway}, sends
* messages and folds the streamed {@link ReplyChunk}s into a user↔assistant
* transcript. The session is disposed on unmount (leaving the ticket) so no
* assistant outlives its editor.
*
* The displayed ticket refreshes on assistant edits automatically: those edits
* land as `Issue*` domain events which {@link useTicketDetail} already listens
* to — this hook does not need to wire that.
*/
import { useCallback, useEffect, useRef, useState } from "react";
import type { AgentProfile, GatewayError, ReplyChunk } from "@/domain";
import { useGateways } from "@/app/di";
/** One rendered turn of the assistant transcript. */
export interface AssistantTurn {
role: "user" | "assistant";
text: string;
/** True while an assistant turn is still streaming (no `final` yet). */
pending?: boolean;
}
export interface TicketAssistantViewModel {
/** AI profiles available to drive the assistant. */
profiles: AgentProfile[];
/** Live session id once opened, else `null`. */
sessionId: string | null;
/** The user↔assistant transcript, oldest first. */
turns: AssistantTurn[];
/** True while opening the session. */
opening: boolean;
/** True while an assistant turn is streaming. */
busy: boolean;
error: string | null;
/** Opens an assistant session bound to this ticket, driven by `profileId`. */
open: (profileId: string) => Promise<void>;
/** Closes/disposes the session and clears the transcript. */
close: () => Promise<void>;
/** Sends a message and streams the assistant reply into the transcript. */
send: (message: string) => Promise<void>;
}
function describe(e: unknown): string {
if (e && typeof e === "object" && "message" in e) {
return String((e as GatewayError).message);
}
return String(e);
}
export function useTicketAssistant(
projectId: string,
issueRef: string,
): TicketAssistantViewModel {
const { ticket, profile } = useGateways();
const [profiles, setProfiles] = useState<AgentProfile[]>([]);
const [sessionId, setSessionId] = useState<string | null>(null);
const [turns, setTurns] = useState<AssistantTurn[]>([]);
const [opening, setOpening] = useState(false);
const [busy, setBusy] = useState(false);
const [error, setError] = useState<string | null>(null);
// Mirror of `sessionId` for the unmount cleanup (which must not re-run when the
// id changes — only dispose whatever is live at teardown).
const sessionRef = useRef<string | null>(null);
sessionRef.current = sessionId;
useEffect(() => {
let cancelled = false;
void (async () => {
try {
const list = (await profile?.listProfiles()) ?? [];
if (!cancelled) setProfiles(list);
} catch (e) {
if (!cancelled) setError(describe(e));
}
})();
return () => {
cancelled = true;
};
}, [profile]);
const open = useCallback(
async (profileId: string) => {
if (!profileId) return;
setOpening(true);
setError(null);
try {
const chat = await ticket.openTicketChat(projectId, issueRef, profileId);
setSessionId(chat.sessionId);
setTurns([]);
} catch (e) {
setError(describe(e));
} finally {
setOpening(false);
}
},
[ticket, projectId, issueRef],
);
const close = useCallback(async () => {
if (!sessionRef.current) return;
setSessionId(null);
setTurns([]);
try {
await ticket.closeTicketChat(projectId, issueRef);
} catch (e) {
setError(describe(e));
}
}, [ticket, projectId, issueRef]);
const send = useCallback(
async (message: string) => {
const text = message.trim();
if (!sessionId || !text || busy) return;
setError(null);
setBusy(true);
// Append the user turn and an empty, pending assistant turn to stream into.
setTurns((prev) => [
...prev,
{ role: "user", text },
{ role: "assistant", text: "", pending: true },
]);
const applyChunk = (chunk: ReplyChunk) => {
setTurns((prev) => {
const next = [...prev];
const i = next.length - 1;
if (i < 0 || next[i].role !== "assistant") return prev;
if (chunk.kind === "textDelta") {
next[i] = { ...next[i], text: next[i].text + chunk.text };
} else if (chunk.kind === "toolActivity") {
// Best-effort inline activity badge.
next[i] = { ...next[i], text: `${next[i].text}\${chunk.label}` };
} else {
// `final`: freeze the turn with the aggregated content.
next[i] = { role: "assistant", text: chunk.content, pending: false };
}
return next;
});
if (chunk.kind === "final") setBusy(false);
};
try {
await ticket.sendTicketChat(sessionId, text, applyChunk);
} catch (e) {
setError(describe(e));
} finally {
setBusy(false);
}
},
[ticket, sessionId, busy],
);
// Dispose the session when leaving the ticket (unmount). Fire-and-forget.
useEffect(() => {
return () => {
if (sessionRef.current) {
void ticket.closeTicketChat(projectId, issueRef).catch(() => {});
}
};
}, [ticket, projectId, issueRef]);
return {
profiles,
sessionId,
turns,
opening,
busy,
error,
open,
close,
send,
};
}