diff --git a/main.cpp b/main.cpp
index 329baef..2fb18b2 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,4 +1,8 @@
 #include <imgui.h>
+#ifdef _WIN32
+#  define WIN32_LEAN_AND_MEAN
+#  include <windows.h>
+#endif
 #include "app_base.h"
 #include "core/panel_menu.h"
 #include "core/icons_tabler.h"
@@ -164,6 +168,56 @@ static double now_seconds() {
     return duration_cast<duration<double>>(steady_clock::now().time_since_epoch()).count();
 }
 
+// Lanza terminal externa con `claude --dangerously-skip-permissions` en el
+// repo fn_registry. En Windows usa Windows Terminal + WSL; en Linux usa el
+// primer emulador disponible. Fire-and-forget; no captura output.
+static bool spawn_claude_terminal(const fs::path& registry_root) {
+#ifdef _WIN32
+    // wt.exe lanza Windows Terminal. wsl.exe --cd cambia cwd antes del comando.
+    // Bash -ic para que /etc/profile cargue PATH (claude esta en ~/.local/bin
+    // o equivalente). Sin comillas el resto del comando.
+    std::string cmd = "wt.exe new-tab wsl.exe --cd ~/fn_registry -- bash -ic \"claude --dangerously-skip-permissions\"";
+    STARTUPINFOA si{}; si.cb = sizeof(si);
+    PROCESS_INFORMATION pi{};
+    std::string mutable_cmd = cmd; // CreateProcessA needs non-const
+    BOOL ok = CreateProcessA(nullptr, mutable_cmd.data(), nullptr, nullptr, FALSE,
+                              CREATE_NEW_CONSOLE, nullptr, nullptr, &si, &pi);
+    if (!ok) {
+        // Fallback: cmd.exe + start wt.exe (less reliable but works without explicit path).
+        std::string fb = "cmd.exe /C start \"\" wt.exe wsl.exe --cd ~/fn_registry -- bash -ic \"claude --dangerously-skip-permissions\"";
+        mutable_cmd = fb;
+        ok = CreateProcessA(nullptr, mutable_cmd.data(), nullptr, nullptr, FALSE,
+                              CREATE_NEW_CONSOLE, nullptr, nullptr, &si, &pi);
+    }
+    if (ok) {
+        CloseHandle(pi.hProcess);
+        CloseHandle(pi.hThread);
+        return true;
+    }
+    return false;
+#else
+    // Linux: probar varios emuladores comunes.
+    const std::string cd = "cd '" + registry_root.string() + "' && exec claude --dangerously-skip-permissions";
+    const char* candidates[] = {
+        "x-terminal-emulator", "gnome-terminal", "konsole", "xterm", "alacritty", "kitty",
+    };
+    for (const char* term : candidates) {
+        std::string probe = std::string("command -v ") + term + " >/dev/null 2>&1";
+        int probe_rc = std::system(probe.c_str());
+        if (probe_rc != 0) continue;
+        std::string cmd;
+        if (std::string(term) == "gnome-terminal") {
+            cmd = std::string(term) + " -- bash -ic \"" + cd + "\" &";
+        } else {
+            cmd = std::string(term) + " -e bash -ic \"" + cd + "\" &";
+        }
+        (void)!std::system(cmd.c_str());
+        return true;
+    }
+    return false;
+#endif
+}
+
 // ---- Scanner ------------------------------------------------------------
 
 static void scan_dir(const fs::path& dir, NodeKind kind, ScanResult& out) {
@@ -614,15 +668,20 @@ static void draw_canvas() {
             dl->AddText(tp, IM_COL32(255, 255, 255, 245), lbl);
         }
 
-        // Tooltip on hover (title).
+        // Tooltip on hover (title). Fix width up-front so the first frame
+        // doesnt flash a giant window before reflow.
         if (over) {
+            const float kTipW = 360.0f;
+            ImGui::SetNextWindowSize(ImVec2(kTipW, 0.0f), ImGuiCond_Always);
             ImGui::BeginTooltip();
+            ImGui::PushTextWrapPos(kTipW - 16.0f);
             ImGui::Text("%s %s", n.kind == NodeKind::Issue ? "[ISSUE]" : "[FLOW]", n.id.c_str());
             ImGui::TextWrapped("%s", n.title.c_str());
             ImGui::TextDisabled("status: %s · ring: %s · domain: %s",
                                 n.status_eff.c_str(),
                                 ring_label(n.ring),
                                 n.domain.empty() ? "?" : n.domain.front().c_str());
+            ImGui::PopTextWrapPos();
             ImGui::EndTooltip();
         }
     };
@@ -716,6 +775,42 @@ static void draw_inspector() {
         for (const auto& r : n.related) ImGui::BulletText("%s", r.c_str());
     }
 
+    ImGui::Separator();
+
+    // === Claude fix: lanza terminal externa con claude ===
+    static double s_last_launch_t = -1e9;
+    static bool   s_last_launch_ok = true;
+    static std::string s_last_launch_id;
+
+    const Bucket b = status_bucket(n.status_eff);
+    const bool   fixable = (b != Bucket::Done);
+    if (fixable) {
+        ImGui::PushStyleColor(ImGuiCol_Button,        IM_COL32(168,  85, 247, 200));
+        ImGui::PushStyleColor(ImGuiCol_ButtonHovered, IM_COL32(192, 132, 252, 240));
+        ImGui::PushStyleColor(ImGuiCol_ButtonActive,  IM_COL32(147,  51, 234, 255));
+        if (ImGui::Button(TI_TERMINAL_2 " Claude fix")) {
+            s_last_launch_ok = spawn_claude_terminal(g_root);
+            s_last_launch_t  = now_seconds();
+            s_last_launch_id = n.id;
+            fn_log::log_info("skill_tree: spawn claude terminal for %s -> %s",
+                             n.id.c_str(), s_last_launch_ok ? "ok" : "fail");
+        }
+        ImGui::PopStyleColor(3);
+        ImGui::SameLine();
+        ImGui::TextDisabled("abre terminal externa con `claude --dangerously-skip-permissions` en fn_registry");
+    } else {
+        ImGui::TextDisabled("Issue done — no fix necesario.");
+    }
+    if (s_last_launch_id == n.id && (now_seconds() - s_last_launch_t) < 5.0) {
+        if (s_last_launch_ok) {
+            ImGui::TextColored(ImVec4(0.4f, 0.95f, 0.5f, 1.0f),
+                               TI_CHECK " terminal lanzada (revisa Windows Terminal / WSL)");
+        } else {
+            ImGui::TextColored(ImVec4(1.0f, 0.5f, 0.5f, 1.0f),
+                               TI_ALERT_TRIANGLE " no se pudo lanzar terminal");
+        }
+    }
+
     ImGui::Separator();
     ImGui::TextDisabled("Botones [Generate ideas] / [Run autonomous-task] llegan en 0109e/f.");
     ImGui::End();