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#ifndef LLSH_PROVIDER_H
#define LLSH_PROVIDER_H
#include <stdbool.h>
#include "llm.h"
#include "mcp.h"
#include "session.h"
/* The session-bound provider layer: implements the `llsh_model` vtable on
* top of llm.h's protocol layer, wiring in the session (config, preamble,
* allowed tools, .agents), the built-in + MCP tool registry, and the
* session's emit callback. */
/* Which one-shot role this model serves. `complete` uses the matching
* preamble; `stream` (the agent turn) always uses the session preamble. */
typedef enum {
PROV_ROLE_MAIN = 0,
PROV_ROLE_SUMMARIZER,
PROV_ROLE_EVALUATOR,
PROV_ROLE_RUBRIC,
} provider_role;
/* Create a session-bound model. `sess` may be NULL until
* provider_model_attach; `mcp` may be NULL (no MCP tools). */
llsh_model *provider_model_new(session *sess, mcp_registry *mcp,
provider_role role);
void provider_model_attach(llsh_model *m, session *sess);
/* Test hook: build the request body (without sending) for the session's
* current config, preamble, and tool set, for a single one-shot prompt.
* Caller frees the returned string. */
char *provider_preview_request(session *sess, const char *prompt,
bool with_tools);
/* On stop, an assistant message can carry more tool calls than the
* tool-result messages that follow it (we stopped mid-loop). Trim the
* surplus calls so the committed history stays a valid request. */
void provider_trim_dangling_calls(message *msgs, size_t n);
#endif /* LLSH_PROVIDER_H */
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