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<script lang="ts">
import type { ModelMetadata } from "@dispatch/transport-contract";
import type { NamedAgent, NamedAgentSelectionSnapshot } from "../../named-agents";
import {
isNamedAgentSelection,
isVisionModel,
joinModelName,
modelKeyLabel,
modelsForKey,
NAMED_AGENTS_PROVIDER,
namedAgentNames,
namedAgentSelectionLabel,
providerKeysWithNamedAgents,
splitModelName,
} from "../model-select";
let {
models,
selected,
onSelect,
modelInfo = {},
namedAgents = [],
namedAgentSnapshot = null,
onSelectNamedAgent,
zeroProviders = false,
}: {
models: readonly string[];
selected: string;
onSelect: (model: string) => void;
/**
* Per-model metadata from `GET /models` (`{ [name]: ModelMetadata }`).
* Used to show a "vision" badge next to models with `vision: true` (they
* natively accept images; others rely on the server's vision handoff).
* Optional — absent metadata → no badge (treated as non-vision).
*/
modelInfo?: Readonly<Record<string, ModelMetadata>>;
/** The user-curated Named Agents (plan §6) offered under the synthetic provider. */
namedAgents?: readonly NamedAgent[];
/** The active conversation's Named Agent snapshot (null when not selected via one). */
namedAgentSnapshot?: NamedAgentSelectionSnapshot | null;
/** Called when a Named Agent is selected (the selector resolves it to a raw model + snapshot). */
onSelectNamedAgent?: (snapshot: NamedAgentSelectionSnapshot) => void;
/**
* First-boot guardrail (§7): true when the ACTIVE workspace has ZERO
* enabled providers (plan 06's `providers-status`) — renders a visible
* prompt above the picker instead of a silently empty one.
*/
zeroProviders?: boolean;
} = $props();
// Whether the current selection is a Named Agent snapshot (the conversation was
// selected via one; its captured raw model equals `selected`).
const currentIsNamedAgent = $derived(isNamedAgentSelection(selected, namedAgentSnapshot));
const providerKeys = $derived(providerKeysWithNamedAgents(models));
const current = $derived(splitModelName(selected));
const keyModels = $derived(modelsForKey(models, current.key));
// The provider shown in the provider dropdown: the synthetic Named Agents
// provider when the selection is a Named Agent snapshot, else the raw key.
const currentProvider = $derived(
currentIsNamedAgent || current.key === NAMED_AGENTS_PROVIDER
? NAMED_AGENTS_PROVIDER
: current.key,
);
const namedNames = $derived(namedAgentNames(namedAgents));
// Whether the currently-selected full model name is vision-capable.
const selectedVision = $derived(isVisionModel(modelInfo, selected));
// Whether the currently-selected raw model is PRESENT in the catalog (only
// meaningful for a raw selection — a Named Agent snapshot resolves to a raw
// model that may have left the catalog).
const rawMissing = $derived(
!currentIsNamedAgent && selected !== "" && !models.includes(selected),
);
const keyUnavailable = $derived(
!currentIsNamedAgent && selected !== "" && !providerKeys.includes(current.key),
);
// Switching provider. Going TO the Named Agents provider: jump to the first
// Named Agent (mirrors selectKey jumping to the first model); the model
// dropdown then lists named names. Going to a raw provider: existing behavior.
function selectProvider(key: string): void {
if (key === currentProvider) return;
if (key === NAMED_AGENTS_PROVIDER) {
selectFirstNamedAgent();
return;
}
const first = modelsForKey(models, key)[0] ?? "";
onSelect(joinModelName(key, first));
}
// Selecting a raw model suffix under the current raw provider.
function selectRawModel(model: string): void {
onSelect(joinModelName(current.key, model));
}
// Selecting a Named Agent name (under the synthetic provider): resolve it to a
// snapshot + raw model and report via onSelectNamedAgent.
function selectNamedAgent(name: string): void {
const agent = namedAgents.find((a) => a.name === name);
if (agent === undefined) return;
onSelectNamedAgent?.({
namedAgentId: agent.id,
namedAgentName: agent.name,
model: agent.model,
});
}
// Jump to the first configured Named Agent (used when the provider is switched
// to Named Agents), matching the raw-provider "jump to first model" behavior.
function selectFirstNamedAgent(): void {
const first = namedAgents[0];
if (first === undefined) return; // no named agents — the model dropdown shows the disabled placeholder
onSelectNamedAgent?.({
namedAgentId: first.id,
namedAgentName: first.name,
model: first.model,
});
}
// The full `<provider>/<model>` name for a raw model suffix under `current.key`.
function fullNameFor(modelSuffix: string): string {
return joinModelName(current.key, modelSuffix);
}
</script>
<div class="flex flex-col gap-2">
{#if zeroProviders}
<!-- First-boot guardrail (§7): a workspace with zero enabled providers
shows a visible prompt instead of a silently empty picker. -->
<div class="alert alert-warning text-sm" role="alert">
<span>
No providers enabled for this workspace — open the workspace <strong>Plugins</strong> to
enable one.
</span>
</div>
{/if}
<select
class="select w-full"
value={currentProvider}
onchange={(e) => selectProvider(e.currentTarget.value)}
aria-label="Key selector"
>
{#if keyUnavailable && currentProvider !== NAMED_AGENTS_PROVIDER}
<option value={current.key} disabled>{modelKeyLabel(current.key)} (unavailable)</option>
{/if}
{#each providerKeys as key (key)}
<option value={key}>
{key === NAMED_AGENTS_PROVIDER ? "Named Agents" : modelKeyLabel(key)}
</option>
{/each}
</select>
<select
class="select w-full"
value={currentIsNamedAgent ? (namedAgentSnapshot?.namedAgentName ?? "") : current.model}
onchange={
currentIsNamedAgent
? (e) => selectNamedAgent(e.currentTarget.value)
: (e) => selectRawModel(e.currentTarget.value)
}
aria-label="Model selector"
disabled={currentProvider === NAMED_AGENTS_PROVIDER && namedAgents.length === 0}
>
{#if currentProvider === NAMED_AGENTS_PROVIDER}
{#if namedAgents.length === 0 && !currentIsNamedAgent}
<option value="" disabled>No named agents configured</option>
{:else}
{#each namedNames as name (name)}
<option value={name}>{namedAgentSelectionLabel(name)}</option>
{/each}
{#if currentIsNamedAgent && !namedNames.includes(namedAgentSnapshot?.namedAgentName ?? "")}
<!-- The selected Named Agent was renamed/removed — keep showing the
captured snapshot name rather than silently switching (plan §7). -->
<option value={namedAgentSnapshot?.namedAgentName ?? ""} disabled>
{namedAgentSelectionLabel(namedAgentSnapshot?.namedAgentName ?? "")} (unavailable)
</option>
{/if}
{/if}
{:else}
{#each keyModels as model (model)}
<option value={model}>
{model}{#if isVisionModel(modelInfo, fullNameFor(model))} · vision{/if}
</option>
{/each}
{#if rawMissing && !keyUnavailable}
<option value={current.model} disabled>{current.model} (unavailable)</option>
{/if}
{/if}
</select>
{#if rawMissing}
<div class="text-xs text-warning" role="status">
Selected model “{selected}” is unavailable — choose another credential.
</div>
{/if}
{#if currentIsNamedAgent}
<div class="text-xs text-base-content/40">
Selected via <strong>Named Agents</strong> — snapshot of {namedAgentSnapshot?.namedAgentName}.
</div>
{/if}
{#if !currentIsNamedAgent}
{#if selectedVision}
<div class="flex items-center gap-1 text-xs text-base-content/60">
<svg
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
class="h-3.5 w-3.5"
aria-hidden="true"
>
<path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"></path>
<circle cx="12" cy="12" r="3"></circle>
</svg>
<span>Vision — this model sees images natively</span>
</div>
{:else}
<div class="text-xs text-base-content/40">
Pasted images are auto-described (vision handoff)
</div>
{/if}
{/if}
</div>
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