chore: auto-commit (13 archivos)

- CMakeLists.txt
- agent_protocol.cpp
- agent_protocol.h
- app.md
- appicon.ico
- hosts_db.cpp
- hosts_db.h
- http_client.cpp
- http_client.h
- main.cpp
- ...

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

http_client.cpp

@@ -0,0 +1,44 @@
+#include "http_client.h"
+#include <cstdio>
+#include <string>
+
+namespace pex_http {
+
+// Stub: usa curl via popen igual que llm_anthropic. Reemplazar por
+// fn_http::request cuando el helper del registry exista (issue 0110).
+Response request(const Request& req) {
+    Response resp;
+    if (req.url.empty()) {
+        resp.error = "empty url";
+        return resp;
+    }
+
+    std::string cmd = "curl -sS --max-time " + std::to_string(req.timeout_ms / 1000)
+                    + " -X " + (req.method.empty() ? "GET" : req.method);
+    if (!req.bearer_token.empty()) {
+        cmd += " -H \"Authorization: Bearer " + req.bearer_token + "\"";
+    }
+    for (const auto& kv : req.headers) {
+        cmd += " -H \"" + kv.first + ": " + kv.second + "\"";
+    }
+    if (!req.body.empty()) {
+        cmd += " --data-binary @-";
+    }
+    cmd += " -w \"\\n__STATUS__%{http_code}\" \"" + req.url + "\"";
+
+    FILE* fp = popen(cmd.c_str(), "r");
+    if (!fp) { resp.error = "popen failed"; return resp; }
+
+    char buf[4096];
+    while (fgets(buf, sizeof(buf), fp)) resp.body += buf;
+    pclose(fp);
+
+    auto pos = resp.body.rfind("\n__STATUS__");
+    if (pos != std::string::npos) {
+        try { resp.status = std::stoi(resp.body.substr(pos + 11)); } catch (...) {}
+        resp.body.resize(pos);
+    }
+    return resp;
+}
+
+} // namespace pex_http