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feat(mcp): select library media and follow indexing progress in the MCP App #152

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176 changes: 176 additions & 0 deletions src/vidxp/assets/mcp_app/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,8 @@
.notice { min-height: 20px; color: var(--muted); font-size: 13px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
@media (max-width: 560px) { .app { padding: 12px; } .header { align-items: stretch; flex-direction: column; } .header .button { align-self: flex-start; } }
.track { height: 6px; border-radius: 999px; background: var(--surface-2, rgba(127, 127, 127, 0.2)); overflow: hidden; }
.track > span { display: block; height: 100%; border-radius: inherit; background: var(--accent, #4f7cff); transition: width 160ms ease; }
</style>
</head>
<body>
Expand Down Expand Up @@ -82,6 +84,7 @@ <h1 id="title">Preparing video workspace…</h1>
const selected = new Set();
let requestId = 1;
let latestResult = null;
let progressTimer = null;
let uploadPageUrl = null;
let connected = false;
let hostCapabilities = {};
Expand Down Expand Up @@ -403,12 +406,185 @@ <h1 id="title">Preparing video workspace…</h1>
content.replaceChildren(wrapper);
};

const persistMediaSelection = (mediaId) => {
if (connected) {
void request("ui/update-model-context", {
structuredContent: { selectedMediaId: mediaId },
}).catch(() => undefined);
}
if (window.openai?.setWidgetState) {
void Promise.resolve(window.openai.setWidgetState({ selectedMediaId: mediaId })).catch(() => undefined);
}
};

const humanBytes = (value) => {
const bytes = Number(value);
if (!Number.isFinite(bytes) || bytes <= 0) return "";
const units = ["B", "KB", "MB", "GB", "TB"];
let size = bytes;
let unit = 0;
while (size >= 1024 && unit < units.length - 1) {
size /= 1024;
unit += 1;
}
return `${size < 10 && unit > 0 ? size.toFixed(1) : Math.round(size)} ${units[unit]}`;
};

const humanDuration = (value) => {
const total = Number(value);
if (!Number.isFinite(total) || total <= 0) return "";
const seconds = Math.round(total);
const minutes = Math.floor(seconds / 60);
return `${minutes}:${String(seconds % 60).padStart(2, "0")}`;
};

const renderLibrary = (data) => {
const items = asArray(data.items).map(asObject);
title.textContent = "Select a video";
lede.textContent = items.length
? "Choose a registered video to work with, or load more from the library."
: "No registered videos yet. Upload one first.";
const wrapper = document.createDocumentFragment();

const overview = panel("Library");
const metrics = element("div", "metrics");
metrics.append(
metric(data.total ?? items.length, "registered"),
metric(items.length, "shown"),
metric(items.filter((item) => item.state === "ready").length, "ready")
);
overview.append(metrics);
wrapper.append(overview);

if (items.length) {
const listing = panel("Videos");
const list = element("div", "tile-list");
for (const item of items) {
if (typeof item.media_id !== "string") continue;
const tile = element("div", "tile");
const copy = element("div", "tile-copy");
copy.append(element("p", "tile-title", item.original_filename || item.media_id));
const facts = [item.state, humanDuration(item.duration_seconds), humanBytes(item.byte_size), item.container]
.filter((fact) => typeof fact === "string" && fact.length > 0);
copy.append(element("p", "tile-meta", facts.join(" · ")));
tile.append(copy);

const choose = element("button", "button primary", "Use this video");
choose.type = "button";
choose.addEventListener("click", async () => {
choose.disabled = true;
notice.textContent = "";
try {
persistMediaSelection(item.media_id);
const next = await callTool("get_media", { media_id: item.media_id });
const detail = next.structuredContent;
lede.textContent = `Selected ${detail.original_filename || item.original_filename || item.media_id}.`;
} catch (_error) {
notice.textContent = "Could not select that video.";
} finally {
choose.disabled = false;
}
});
tile.append(choose);
list.append(tile);
}
listing.append(list);
wrapper.append(listing);
}

if (typeof data.next_cursor === "string" && data.next_cursor) {
const actions = element("div", "toolbar");
const more = element("button", "button", "Load more");
more.type = "button";
more.addEventListener("click", async () => {
more.disabled = true;
notice.textContent = "";
try {
render(await callTool("list_media", { cursor: data.next_cursor }));
} catch (_error) {
notice.textContent = "Could not load more videos.";
more.disabled = false;
}
});
actions.append(more);
wrapper.append(actions);
}

content.replaceChildren(wrapper);
};

const renderProgress = (data) => {
if (progressTimer !== null) {
window.clearTimeout(progressTimer);
progressTimer = null;
}
const progress = asObject(data.progress);
const state = typeof data.state === "string" ? data.state : "unknown";
const kind = typeof data.kind === "string" ? data.kind : "job";
title.textContent = kind === "index" ? "Indexing progress" : `VidXP ${kind}`;
lede.textContent = progress.message || `Job is ${state}.`;
const wrapper = document.createDocumentFragment();

const overview = panel("Status");
const metrics = element("div", "metrics");
metrics.append(metric(state, "state"), metric(progress.stage || "—", "stage"));
const current = Number(progress.current);
const total = Number(progress.total);
const measured = Number.isFinite(current) && Number.isFinite(total) && total > 0;
if (measured) metrics.append(metric(`${current}/${total}`, "steps"));
overview.append(metrics);
if (measured) {
const track = element("div", "track");
const fill = element("span");
fill.style.width = `${Math.min(100, Math.round((current / total) * 100))}%`;
track.append(fill);
overview.append(track);
}
wrapper.append(overview);

const error = asObject(data.error);
if (error.message) {
const failure = panel("Error");
failure.append(element("p", "error", error.message));
wrapper.append(failure);
}

const jobId = typeof data.job_id === "string" ? data.job_id : "";
if (jobId) {
const poll = async () => {
try {
render(await callTool("get_job_status", { job_id: jobId }));
} catch (_error) {
notice.textContent = "Could not refresh job status.";
}
};
const actions = element("div", "toolbar");
const refresh = element("button", "button", "Refresh status");
refresh.type = "button";
refresh.addEventListener("click", async () => {
refresh.disabled = true;
notice.textContent = "";
await poll();
});
actions.append(refresh);
wrapper.append(actions);
if (data.terminal === false) {
const delay = Number(data.poll_after_seconds);
progressTimer = window.setTimeout(poll, (Number.isFinite(delay) && delay > 0 ? delay : 1) * 1000);
}
}

content.replaceChildren(wrapper);
};

const render = (result) => {
latestResult = normalizeResult(result);
const data = latestResult.structuredContent;
notice.textContent = latestResult.isError ? "VidXP returned an error." : "";
if (data.view === "upload" || data.upload_session_url || data.aggregate_state) renderUpload(data);
else if (data.view === "evidence" || data.board) renderEvidence(data, latestResult);
else if (data.view === "library" || asArray(data.items).some((item) => typeof asObject(item).media_id === "string")) renderLibrary(data);
else if (data.view === "job" || typeof data.job_id === "string") renderProgress(data);
else {
title.textContent = "VidXP";
lede.textContent = "This tool result does not include an interactive view.";
Expand Down
8 changes: 8 additions & 0 deletions src/vidxp/mcp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1352,6 +1352,10 @@ async def get_runtime_readiness() -> RuntimeReadiness:
"that a video is present in the active index snapshot."
),
annotations=_READ_ONLY,
meta=_mcp_app_tool_meta(
"Listing VidXP media…",
"VidXP media library ready.",
),
structured_output=True,
)
async def list_media(
Expand Down Expand Up @@ -2060,6 +2064,10 @@ def completed_evidence_job(_actor: Principal) -> Job:
"initial observation."
),
annotations=_READ_ONLY,
meta=_mcp_app_tool_meta(
"Checking VidXP job status…",
"VidXP job status ready.",
),
structured_output=True,
)
async def get_job_status(job_id: JobId) -> JobSummary:
Expand Down