feat: workout-suggester, weather-aware workouts from a local Gemma

Go + Templ + HTMX app that checks the weather (Open-Meteo, MET Norway
fallback), scores run/ride/walk with plain rules, and has a local
open-weight model (Gemma 4 E2B via any OpenAI-compatible server) write
the plan. Routes are loops from your door (BRouter) plus signposted
OpenStreetMap routes (Overpass), with GPX export.

internal/web/views/helpers_test.go

@@ -0,0 +1,21 @@
+package views
+
+import (
+	"bytes"
+	"context"
+	"strings"
+	"testing"
+)
+
+func TestMarkdownSections(t *testing.T) {
+	var buf bytes.Buffer
+	src := "**Go for a run**: nice.\n**When:** now\n**The session:**\n- warm up\n- run\n**Route:** the loop"
+	Markdown(src).Render(context.Background(), &buf)
+	got := buf.String()
+	if strings.Contains(got, "run\n<strong>Route:") || !strings.Contains(got, "</ul>\n<p><strong>Route:</strong>") {
+		t.Errorf("Route folded into the list:\n%s", got)
+	}
+	if !strings.Contains(got, "<p><strong>Go for a run</strong>: nice.</p>") {
+		t.Errorf("first line mangled:\n%s", got)
+	}
+}