Files
OmniRoute/src/lib/db/models.ts
2026-04-01 23:18:30 +02:00

731 lines
25 KiB
TypeScript

/**
* db/models.js — Model aliases, MITM aliases, and custom models.
*/
import { getDbInstance } from "./core";
import { backupDbFile } from "./backup";
import {
MODEL_COMPAT_PROTOCOL_KEYS,
type ModelCompatProtocolKey,
} from "@/shared/constants/modelCompat";
import { isForbiddenUpstreamHeaderName } from "@/shared/constants/upstreamHeaders";
type JsonRecord = Record<string, unknown>;
/** Built-in / alias models: tool-call + developer-role flags without a full custom row */
const MODEL_COMPAT_NAMESPACE = "modelCompatOverrides";
export { MODEL_COMPAT_PROTOCOL_KEYS, type ModelCompatProtocolKey };
export type ModelCompatPerProtocol = {
normalizeToolCallId?: boolean;
preserveOpenAIDeveloperRole?: boolean;
/** Merged into upstream HTTP requests for this model (after default auth headers). */
upstreamHeaders?: Record<string, string>;
};
type CompatByProtocolMap = Partial<Record<ModelCompatProtocolKey, ModelCompatPerProtocol>>;
function isCompatProtocolKey(p: string): p is ModelCompatProtocolKey {
return (MODEL_COMPAT_PROTOCOL_KEYS as readonly string[]).includes(p);
}
const UPSTREAM_HEADERS_MAX = 16;
const UPSTREAM_HEADER_NAME_MAX = 128;
const UPSTREAM_HEADER_VALUE_MAX = 4096;
function isValidUpstreamHeaderName(k: string): boolean {
if (!k || k.length > UPSTREAM_HEADER_NAME_MAX) return false;
if (isForbiddenUpstreamHeaderName(k)) return false;
if (/[\r\n\0]/.test(k)) return false;
if (/\s/.test(k)) return false;
if (k.includes(":")) return false;
return true;
}
/** Sanitize user-provided upstream header map (used when persisting and when reading for requests). */
export function sanitizeUpstreamHeadersMap(
raw: Record<string, unknown> | null | undefined
): Record<string, string> {
const out: Record<string, string> = {};
if (!raw || typeof raw !== "object") return out;
for (const [k0, v0] of Object.entries(raw)) {
const k = String(k0).trim();
if (!k || !isValidUpstreamHeaderName(k)) {
continue;
}
const v =
typeof v0 === "string"
? v0.trim().slice(0, UPSTREAM_HEADER_VALUE_MAX)
: String(v0 ?? "")
.trim()
.slice(0, UPSTREAM_HEADER_VALUE_MAX);
if (v.includes("\r") || v.includes("\n")) continue;
out[k] = v;
if (Object.keys(out).length >= UPSTREAM_HEADERS_MAX) break;
}
return out;
}
function deepMergeCompatByProtocol(
prev: CompatByProtocolMap | undefined,
patch: Partial<Record<ModelCompatProtocolKey, Partial<ModelCompatPerProtocol>>>
): CompatByProtocolMap {
const out: CompatByProtocolMap = { ...(prev || {}) };
for (const key of Object.keys(patch) as ModelCompatProtocolKey[]) {
if (!isCompatProtocolKey(key)) continue;
const deltas = patch[key];
if (!deltas || typeof deltas !== "object") continue;
const hasDelta =
Object.prototype.hasOwnProperty.call(deltas, "normalizeToolCallId") ||
Object.prototype.hasOwnProperty.call(deltas, "preserveOpenAIDeveloperRole") ||
Object.prototype.hasOwnProperty.call(deltas, "upstreamHeaders");
if (!hasDelta) continue;
const cur: ModelCompatPerProtocol = { ...(out[key] || {}) };
if ("normalizeToolCallId" in deltas) {
cur.normalizeToolCallId = Boolean(deltas.normalizeToolCallId);
}
if ("preserveOpenAIDeveloperRole" in deltas) {
cur.preserveOpenAIDeveloperRole = Boolean(deltas.preserveOpenAIDeveloperRole);
}
if ("upstreamHeaders" in deltas) {
const uh = deltas.upstreamHeaders;
if (uh === undefined) {
/* skip */
} else {
const s = sanitizeUpstreamHeadersMap(uh as Record<string, unknown>);
if (Object.keys(s).length === 0) delete cur.upstreamHeaders;
else cur.upstreamHeaders = s;
}
}
if (Object.keys(cur).length === 0) delete out[key];
else out[key] = cur;
}
return out;
}
export type ModelCompatOverride = {
id: string;
normalizeToolCallId?: boolean;
preserveOpenAIDeveloperRole?: boolean;
compatByProtocol?: CompatByProtocolMap;
upstreamHeaders?: Record<string, string>;
isHidden?: boolean;
};
function readCompatList(providerId: string): ModelCompatOverride[] {
const db = getDbInstance();
const row = db
.prepare("SELECT value FROM key_value WHERE namespace = ? AND key = ?")
.get(MODEL_COMPAT_NAMESPACE, providerId);
const value = getKeyValue(row).value;
if (!value) return [];
try {
const parsed = JSON.parse(value);
return Array.isArray(parsed) ? parsed : [];
} catch {
return [];
}
}
function writeCompatList(providerId: string, list: ModelCompatOverride[]) {
const db = getDbInstance();
if (list.length === 0) {
db.prepare("DELETE FROM key_value WHERE namespace = ? AND key = ?").run(
MODEL_COMPAT_NAMESPACE,
providerId
);
} else {
db.prepare("INSERT OR REPLACE INTO key_value (namespace, key, value) VALUES (?, ?, ?)").run(
MODEL_COMPAT_NAMESPACE,
providerId,
JSON.stringify(list)
);
}
backupDbFile("pre-write");
}
export function getModelCompatOverrides(providerId: string): ModelCompatOverride[] {
return readCompatList(providerId);
}
export type ModelCompatPatch = {
normalizeToolCallId?: boolean;
preserveOpenAIDeveloperRole?: boolean | null;
compatByProtocol?: CompatByProtocolMap;
/** Replace top-level extra headers for override-only rows; omit to leave unchanged. */
upstreamHeaders?: Record<string, string> | null;
isHidden?: boolean | null;
};
function compatByProtocolHasEntries(map: CompatByProtocolMap | undefined): boolean {
if (!map || typeof map !== "object") return false;
return Object.keys(map).some((k) => {
const v = map[k as ModelCompatProtocolKey];
return v && typeof v === "object" && Object.keys(v).length > 0;
});
}
export function mergeModelCompatOverride(
providerId: string,
modelId: string,
patch: ModelCompatPatch
) {
const list = readCompatList(providerId);
const idx = list.findIndex((e) => e.id === modelId);
const prev = idx >= 0 ? { ...list[idx] } : { id: modelId };
const next: ModelCompatOverride = { ...prev, id: modelId };
if ("normalizeToolCallId" in patch) {
if (patch.normalizeToolCallId) next.normalizeToolCallId = true;
else delete next.normalizeToolCallId;
}
if ("preserveOpenAIDeveloperRole" in patch) {
if (patch.preserveOpenAIDeveloperRole === null) {
delete next.preserveOpenAIDeveloperRole; // unset: revert to default (undefined at read time)
} else {
next.preserveOpenAIDeveloperRole = Boolean(patch.preserveOpenAIDeveloperRole);
}
}
if (patch.compatByProtocol && Object.keys(patch.compatByProtocol).length > 0) {
const merged = deepMergeCompatByProtocol(next.compatByProtocol, patch.compatByProtocol);
if (compatByProtocolHasEntries(merged)) next.compatByProtocol = merged;
else delete next.compatByProtocol;
}
if ("upstreamHeaders" in patch) {
if (patch.upstreamHeaders === null) {
delete next.upstreamHeaders;
} else if (patch.upstreamHeaders && typeof patch.upstreamHeaders === "object") {
const s = sanitizeUpstreamHeadersMap(patch.upstreamHeaders as Record<string, unknown>);
if (Object.keys(s).length === 0) delete next.upstreamHeaders;
else next.upstreamHeaders = s;
}
}
const filtered = list.filter((e) => e.id !== modelId);
const hasPreserveFlag = Object.prototype.hasOwnProperty.call(next, "preserveOpenAIDeveloperRole");
const hasTopUpstream = next.upstreamHeaders && Object.keys(next.upstreamHeaders).length > 0;
if ("isHidden" in patch) {
if (patch.isHidden === null) {
delete next.isHidden;
} else {
next.isHidden = Boolean(patch.isHidden);
}
}
const hasHiddenFlag = Object.prototype.hasOwnProperty.call(next, "isHidden");
if (
next.normalizeToolCallId ||
hasPreserveFlag ||
hasHiddenFlag ||
compatByProtocolHasEntries(next.compatByProtocol) ||
hasTopUpstream
) {
filtered.push(next);
}
writeCompatList(providerId, filtered);
}
export function removeModelCompatOverride(providerId: string, modelId: string) {
const list = readCompatList(providerId);
const filtered = list.filter((e) => e.id !== modelId);
if (filtered.length === list.length) return;
writeCompatList(providerId, filtered);
}
function asRecord(value: unknown): JsonRecord {
return value && typeof value === "object" && !Array.isArray(value) ? (value as JsonRecord) : {};
}
function getKeyValue(row: unknown): { key: string | null; value: string | null } {
const record = asRecord(row);
return {
key: typeof record.key === "string" ? record.key : null,
value: typeof record.value === "string" ? record.value : null,
};
}
// ──────────────── Model Aliases ────────────────
export async function getModelAliases() {
const db = getDbInstance();
const rows = db
.prepare("SELECT key, value FROM key_value WHERE namespace = 'modelAliases'")
.all();
const result: Record<string, unknown> = {};
for (const row of rows) {
const { key, value } = getKeyValue(row);
if (!key || value === null) continue;
result[key] = JSON.parse(value);
}
return result;
}
export async function setModelAlias(alias: string, model: unknown) {
const db = getDbInstance();
db.prepare(
"INSERT OR REPLACE INTO key_value (namespace, key, value) VALUES ('modelAliases', ?, ?)"
).run(alias, JSON.stringify(model));
backupDbFile("pre-write");
}
export async function deleteModelAlias(alias: string) {
const db = getDbInstance();
db.prepare("DELETE FROM key_value WHERE namespace = 'modelAliases' AND key = ?").run(alias);
backupDbFile("pre-write");
}
// ──────────────── MITM Alias ────────────────
export async function getMitmAlias(toolName?: string) {
const db = getDbInstance();
if (toolName) {
const row = db
.prepare("SELECT value FROM key_value WHERE namespace = 'mitmAlias' AND key = ?")
.get(toolName);
const value = getKeyValue(row).value;
return value ? JSON.parse(value) : {};
}
const rows = db.prepare("SELECT key, value FROM key_value WHERE namespace = 'mitmAlias'").all();
const result: Record<string, unknown> = {};
for (const row of rows) {
const { key, value } = getKeyValue(row);
if (!key || value === null) continue;
result[key] = JSON.parse(value);
}
return result;
}
export async function setMitmAliasAll(toolName: string, mappings: unknown) {
const db = getDbInstance();
db.prepare(
"INSERT OR REPLACE INTO key_value (namespace, key, value) VALUES ('mitmAlias', ?, ?)"
).run(toolName, JSON.stringify(mappings || {}));
backupDbFile("pre-write");
}
// ──────────────── Custom Models ────────────────
export async function getCustomModels(providerId?: string) {
const db = getDbInstance();
if (providerId) {
const row = db
.prepare("SELECT value FROM key_value WHERE namespace = 'customModels' AND key = ?")
.get(providerId);
const value = getKeyValue(row).value;
return value ? JSON.parse(value) : [];
}
const rows = db
.prepare("SELECT key, value FROM key_value WHERE namespace = 'customModels'")
.all();
const result: Record<string, unknown> = {};
for (const row of rows) {
const { key, value } = getKeyValue(row);
if (!key || value === null) continue;
result[key] = JSON.parse(value);
}
return result;
}
export async function getAllCustomModels() {
const db = getDbInstance();
const rows = db
.prepare("SELECT key, value FROM key_value WHERE namespace = 'customModels'")
.all();
const result: Record<string, unknown> = {};
for (const row of rows) {
const { key, value } = getKeyValue(row);
if (!key || value === null) continue;
result[key] = JSON.parse(value);
}
return result;
}
export async function addCustomModel(
providerId: string,
modelId: string,
modelName?: string,
source = "manual",
apiFormat: "chat-completions" | "responses" = "chat-completions",
supportedEndpoints: string[] = ["chat"]
) {
const db = getDbInstance();
const row = db
.prepare("SELECT value FROM key_value WHERE namespace = 'customModels' AND key = ?")
.get(providerId);
const value = getKeyValue(row).value;
const models = value ? JSON.parse(value) : [];
const exists = models.find((m: JsonRecord) => m.id === modelId);
if (exists) return exists;
const model = {
id: modelId,
name: modelName || modelId,
source,
apiFormat,
supportedEndpoints,
};
models.push(model);
db.prepare(
"INSERT OR REPLACE INTO key_value (namespace, key, value) VALUES ('customModels', ?, ?)"
).run(providerId, JSON.stringify(models));
backupDbFile("pre-write");
return model;
}
/**
* Replace the entire custom models list for a provider (used by auto-sync).
* Preserves per-model compatibility overrides for models that still exist.
*/
export async function replaceCustomModels(
providerId: string,
models: Array<{
id: string;
name?: string;
source?: string;
apiFormat?: string;
supportedEndpoints?: string[];
}>,
{ allowEmpty = false }: { allowEmpty?: boolean } = {}
) {
// Guard: skip destructive clear when the caller hasn't explicitly opted in.
// This prevents auto-sync from wiping manually-imported models when the
// upstream /models endpoint fails, times out, or returns an empty list.
if (models.length === 0 && !allowEmpty) {
const existing = await getCustomModels(providerId);
return Array.isArray(existing) ? existing : [];
}
const db = getDbInstance();
const existing = await getCustomModels(providerId);
const existingMap = new Map<string, JsonRecord>();
if (Array.isArray(existing)) {
for (const m of existing) {
if (m && typeof m === "object" && m.id) existingMap.set(m.id, m);
}
}
// Merge: keep existing per-model compat flags if model still exists
const merged = models.map((m) => {
const prev = existingMap.get(m.id);
return {
id: m.id,
name: m.name || m.id,
source: m.source || "auto-sync",
apiFormat: m.apiFormat || (prev as any)?.apiFormat || "chat-completions",
supportedEndpoints: m.supportedEndpoints || (prev as any)?.supportedEndpoints || ["chat"],
// Preserve existing compat flags
...(prev && (prev as any).normalizeToolCallId !== undefined
? { normalizeToolCallId: (prev as any).normalizeToolCallId }
: {}),
...(prev && (prev as any).preserveOpenAIDeveloperRole !== undefined
? { preserveOpenAIDeveloperRole: (prev as any).preserveOpenAIDeveloperRole }
: {}),
...(prev && (prev as any).compatByProtocol
? { compatByProtocol: (prev as any).compatByProtocol }
: {}),
...(prev && (prev as any).upstreamHeaders
? { upstreamHeaders: (prev as any).upstreamHeaders }
: {}),
};
});
if (merged.length === 0) {
db.prepare("DELETE FROM key_value WHERE namespace = 'customModels' AND key = ?").run(
providerId
);
} else {
db.prepare(
"INSERT OR REPLACE INTO key_value (namespace, key, value) VALUES ('customModels', ?, ?)"
).run(providerId, JSON.stringify(merged));
}
// Remove compat overrides for models that no longer exist
const newIds = new Set(models.map((m) => m.id));
const compatList = readCompatList(providerId);
const filteredCompat = compatList.filter((e) => newIds.has(e.id));
if (filteredCompat.length !== compatList.length) {
writeCompatList(providerId, filteredCompat);
}
backupDbFile("pre-write");
return merged;
}
export async function removeCustomModel(providerId: string, modelId: string) {
const db = getDbInstance();
const row = db
.prepare("SELECT value FROM key_value WHERE namespace = 'customModels' AND key = ?")
.get(providerId);
if (!row) return false;
const value = getKeyValue(row).value;
if (!value) return false;
const models = JSON.parse(value);
const before = models.length;
const filtered = models.filter((m: JsonRecord) => m.id !== modelId);
if (filtered.length === before) return false;
if (filtered.length === 0) {
db.prepare("DELETE FROM key_value WHERE namespace = 'customModels' AND key = ?").run(
providerId
);
} else {
db.prepare("UPDATE key_value SET value = ? WHERE namespace = 'customModels' AND key = ?").run(
JSON.stringify(filtered),
providerId
);
}
removeModelCompatOverride(providerId, modelId);
backupDbFile("pre-write");
return true;
}
export async function updateCustomModel(
providerId: string,
modelId: string,
updates: Record<string, unknown> = {}
) {
const db = getDbInstance();
const row = db
.prepare("SELECT value FROM key_value WHERE namespace = 'customModels' AND key = ?")
.get(providerId);
if (!row) return null;
const value = getKeyValue(row).value;
if (!value) return null;
const models = JSON.parse(value);
const index = models.findIndex((m: JsonRecord) => m.id === modelId);
if (index === -1) return null;
const current = models[index];
const currentCompat = (current as JsonRecord).compatByProtocol as CompatByProtocolMap | undefined;
let mergedCompat: CompatByProtocolMap | undefined = currentCompat;
if (
updates.compatByProtocol !== undefined &&
typeof updates.compatByProtocol === "object" &&
updates.compatByProtocol !== null &&
!Array.isArray(updates.compatByProtocol)
) {
mergedCompat = deepMergeCompatByProtocol(
currentCompat,
updates.compatByProtocol as Partial<
Record<ModelCompatProtocolKey, Partial<ModelCompatPerProtocol>>
>
);
if (!compatByProtocolHasEntries(mergedCompat)) mergedCompat = undefined;
}
const next: JsonRecord = {
...current,
...(updates.modelName !== undefined ? { name: updates.modelName || current.name } : {}),
...(updates.apiFormat !== undefined ? { apiFormat: updates.apiFormat } : {}),
...(updates.supportedEndpoints !== undefined
? { supportedEndpoints: updates.supportedEndpoints }
: {}),
...(updates.normalizeToolCallId !== undefined
? { normalizeToolCallId: Boolean(updates.normalizeToolCallId) }
: {}),
...(updates.isHidden !== undefined ? { isHidden: Boolean(updates.isHidden) } : {}),
};
if (Object.prototype.hasOwnProperty.call(updates, "preserveOpenAIDeveloperRole")) {
if (updates.preserveOpenAIDeveloperRole === null) {
delete next.preserveOpenAIDeveloperRole;
} else {
next.preserveOpenAIDeveloperRole = Boolean(updates.preserveOpenAIDeveloperRole);
}
}
if (updates.compatByProtocol !== undefined) {
if (mergedCompat && compatByProtocolHasEntries(mergedCompat)) {
next.compatByProtocol = mergedCompat;
} else {
delete next.compatByProtocol;
}
}
if (Object.prototype.hasOwnProperty.call(updates, "upstreamHeaders")) {
const uh = updates.upstreamHeaders;
if (uh === null || uh === undefined) {
delete next.upstreamHeaders;
} else if (typeof uh === "object" && !Array.isArray(uh)) {
const s = sanitizeUpstreamHeadersMap(uh as Record<string, unknown>);
if (Object.keys(s).length === 0) delete next.upstreamHeaders;
else next.upstreamHeaders = s;
}
}
models[index] = next;
db.prepare("UPDATE key_value SET value = ? WHERE namespace = 'customModels' AND key = ?").run(
JSON.stringify(models),
providerId
);
backupDbFile("pre-write");
return next;
}
/** Single custom model row from key_value customModels, or null */
function getCustomModelRow(providerId: string, modelId: string): JsonRecord | null {
const db = getDbInstance();
const row = db
.prepare("SELECT value FROM key_value WHERE namespace = 'customModels' AND key = ?")
.get(providerId);
const value = getKeyValue(row).value;
if (!value) return null;
try {
const models = JSON.parse(value) as unknown;
if (!Array.isArray(models)) return null;
const m = models.find((x: unknown) => {
if (!x || typeof x !== "object" || Array.isArray(x)) return false;
return (x as { id?: string }).id === modelId;
}) as JsonRecord | undefined;
return m ?? null;
} catch {
return null;
}
}
/**
* Whether the given provider/model has "normalize tool call id" (9-char Mistral-style) enabled.
* Custom model row wins; otherwise {@link getModelCompatOverrides}.
* When `sourceFormat` is one of `openai` | `openai-responses` | `claude`, per-protocol
* `compatByProtocol[sourceFormat].normalizeToolCallId` overrides the legacy top-level flag.
*/
export function getModelNormalizeToolCallId(
providerId: string,
modelId: string,
sourceFormat?: string | null
): boolean {
const m = getCustomModelRow(providerId, modelId);
const protocol = sourceFormat && isCompatProtocolKey(sourceFormat) ? sourceFormat : null;
if (m) {
if (protocol) {
const pc = (m.compatByProtocol as CompatByProtocolMap | undefined)?.[protocol];
if (pc && Object.prototype.hasOwnProperty.call(pc, "normalizeToolCallId")) {
return Boolean(pc.normalizeToolCallId);
}
}
return Boolean(m.normalizeToolCallId);
}
const co = readCompatList(providerId).find((e) => e.id === modelId);
if (protocol && co?.compatByProtocol?.[protocol]) {
const pc = co.compatByProtocol[protocol]!;
if (Object.prototype.hasOwnProperty.call(pc, "normalizeToolCallId")) {
return Boolean(pc.normalizeToolCallId);
}
}
return Boolean(co?.normalizeToolCallId);
}
/**
* Explicit preserve-openai-developer preference for this provider/model.
* `undefined` = unset → routing keeps legacy default (preserve developer for OpenAI format).
* `false` = map developer → system (e.g. MiniMax). `true` = keep developer.
* Per-protocol overrides live under `compatByProtocol[sourceFormat]` when `sourceFormat` matches.
*/
export function getModelPreserveOpenAIDeveloperRole(
providerId: string,
modelId: string,
sourceFormat?: string | null
): boolean | undefined {
const m = getCustomModelRow(providerId, modelId);
const protocol = sourceFormat && isCompatProtocolKey(sourceFormat) ? sourceFormat : null;
if (m) {
if (protocol) {
const pc = (m.compatByProtocol as CompatByProtocolMap | undefined)?.[protocol];
if (pc && Object.prototype.hasOwnProperty.call(pc, "preserveOpenAIDeveloperRole")) {
return Boolean(pc.preserveOpenAIDeveloperRole);
}
}
if (Object.prototype.hasOwnProperty.call(m, "preserveOpenAIDeveloperRole")) {
return Boolean(m.preserveOpenAIDeveloperRole);
}
return undefined;
}
const co = readCompatList(providerId).find((e) => e.id === modelId);
if (protocol && co?.compatByProtocol?.[protocol]) {
const pc = co.compatByProtocol[protocol]!;
if (Object.prototype.hasOwnProperty.call(pc, "preserveOpenAIDeveloperRole")) {
return Boolean(pc.preserveOpenAIDeveloperRole);
}
}
if (co && Object.prototype.hasOwnProperty.call(co, "preserveOpenAIDeveloperRole")) {
return Boolean(co.preserveOpenAIDeveloperRole);
}
return undefined;
}
/**
* Check if the model is flagged as hidden from the public catalog.
*/
export function getModelIsHidden(providerId: string, modelId: string): boolean {
const m = getCustomModelRow(providerId, modelId);
if (m && Object.prototype.hasOwnProperty.call(m, "isHidden")) {
return Boolean(m.isHidden);
}
const co = readCompatList(providerId).find((e) => e.id === modelId);
return Boolean(co?.isHidden);
}
function readUpstreamFromJsonRecord(
row: JsonRecord | null | undefined,
key: "upstreamHeaders"
): Record<string, string> | undefined {
if (!row) return undefined;
const raw = row[key];
if (!raw || typeof raw !== "object" || Array.isArray(raw)) return undefined;
const s = sanitizeUpstreamHeadersMap(raw as Record<string, unknown>);
return Object.keys(s).length > 0 ? s : undefined;
}
/**
* Extra HTTP headers to send to the upstream provider for this model (after executor auth headers).
* Order: top-level `upstreamHeaders` on the custom model row (override list merged under custom),
* then per-protocol `compatByProtocol[sourceFormat].upstreamHeaders` (wins on key conflict).
* Use for gateways that expect `Authentication`, `X-API-Key`, etc. alongside Bearer.
*
* `modelId` should be the **canonical** model id when known. Callers that accept client aliases
* (e.g. chat proxy) should merge results for both alias and `resolveModelAlias(alias)` so UI
* config on the resolved id still applies — see `chatCore` merge.
*/
export function getModelUpstreamExtraHeaders(
providerId: string,
modelId: string,
sourceFormat?: string | null
): Record<string, string> {
const protocol = sourceFormat && isCompatProtocolKey(sourceFormat) ? sourceFormat : null;
const m = getCustomModelRow(providerId, modelId);
const base: Record<string, string> = {};
if (m) {
const fromModel = readUpstreamFromJsonRecord(m, "upstreamHeaders");
if (fromModel) Object.assign(base, fromModel);
if (protocol) {
const pc = (m.compatByProtocol as CompatByProtocolMap | undefined)?.[protocol];
const fromProto = pc?.upstreamHeaders;
if (fromProto && typeof fromProto === "object") {
Object.assign(base, sanitizeUpstreamHeadersMap(fromProto as Record<string, unknown>));
}
}
return base;
}
const co = readCompatList(providerId).find((e) => e.id === modelId);
if (co?.upstreamHeaders) {
Object.assign(base, sanitizeUpstreamHeadersMap(co.upstreamHeaders as Record<string, unknown>));
}
if (protocol && co?.compatByProtocol?.[protocol]?.upstreamHeaders) {
Object.assign(
base,
sanitizeUpstreamHeadersMap(
co.compatByProtocol[protocol]!.upstreamHeaders as Record<string, unknown>
)
);
}
return base;
}