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c6a0ad5424
Resolves LIT-4581
A true_passthrough MCP server created without the at-creation auth step
has no stored client_id, and the tools-page browser flow supplies none,
so GET /v1/mcp/server/oauth/{id}/authorize dead-ended on a 400
missing_client_id. The client-forwarded-token modes forbid the gateway
from persisting an OAuth client, so client acquisition moves into the one
chokepoint every caller crosses: the authorize endpoint.
resolve_ephemeral_dcr_client owns the whole mint policy (mode gate,
authorization-url precondition, required S256 PKCE, redirect trust, then
a TTL-deduped, per-server single-flighted RFC 7591 mint). The minted
client rides the encrypted OAuth state; /callback seals it with the
upstream code and server_id into an llm_ptcode_ gateway code, and
redeem_passthrough_authorization_code recovers it at the token endpoint
(server binding plus required code_verifier) to authenticate the upstream
exchange. Nothing is persisted; every value rides the encrypted blobs, so
it works across replicas.
Client acquisition is one predicate applied across the whole auth-mode
matrix: the gateway mints for a clientless authorize iff true_passthrough
(any dcr_bridge) or oauth_delegate-and-not-dcr_bridge, and the UI
gatewayMintsClientFor mirrors that set exactly so the browser pre-registers
a client through the dcr_bridge front door only for the cells the gateway
does not mint (the interactive oauth_delegate dcr_bridge sign-in and the
legacy oauth2 passthrough). A minted flow runs the bridge short-circuit
arm; the relay front door stays for external clients that present their
own client_id. Both sides are pinned against the same truth table
(test_resolve_ephemeral_dcr_client_mint_set_is_exact and the
gatewayMintsClientFor matrix test) so no mode can silently diverge. The
authorization_code hook and M2M/token-exchange modes are unchanged.
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| .env.development | ||
| .env.production | ||
| .npmrc | ||
| .nvmrc | ||
| .prettierignore | ||
| .prettierrc | ||
| build_release_ui.sh | ||
| build_ui.sh | ||
| build_ui_custom_path.sh | ||
| CLAUDE.md | ||
| components.json | ||
| eslint-budgets.json | ||
| eslint-suppressions.json | ||
| eslint.config.mjs | ||
| knip.json | ||
| next.config.mjs | ||
| package-lock.json | ||
| package.json | ||
| postcss.config.js | ||
| README.md | ||
| tsconfig.json | ||
| tsconfig.tsbuildinfo | ||
| vitest.config.ts | ||
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