feat: v0 — glpi-go client, mglpi CLI, mglpi-mcp, fake-GLPI test suite [#767]

https://projects.knownelement.com/issues/767#note-4191

glpi/session.go

@@ -0,0 +1,39 @@
+package glpi
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+)
+
+// Profile is one GLPI profile of the logged-in user (GET /getMyProfiles,
+// GET /Profile/<id>). IsActive reflects the session's active profile.
+type Profile struct {
+	ID       int    `json:"id"`
+	Name     string `json:"name"`
+	IsActive bool   `json:"is_active"`
+}
+
+// GetMyProfiles lists the profiles of the logged-in user. GLPI answers
+// with a bare JSON array (not a wrapped object).
+func (c *Client) GetMyProfiles(ctx context.Context) ([]Profile, error) {
+	var profiles []Profile
+	if err := c.call(ctx, http.MethodGet, "/getMyProfiles", nil, nil, &profiles); err != nil {
+		return nil, err
+	}
+	return profiles, nil
+}
+
+// ChangeActiveProfile switches the session's active profile
+// (POST /changeActiveProfile with {"profiles_id":N}). Agent mode uses
+// this to move into the right role (e.g. 5 = Hotliner) after
+// InitSession; servers that gate operations per profile then accept the
+// calls that were previously rejected.
+func (c *Client) ChangeActiveProfile(ctx context.Context, profileID int) error {
+	if profileID <= 0 {
+		return fmt.Errorf("%w: profile id must be positive", ErrValidation)
+	}
+	payload := map[string]any{"profiles_id": profileID}
+	// The endpoint answers `true` — nothing to parse.
+	return c.call(ctx, http.MethodPost, "/changeActiveProfile", nil, payload, nil)
+}