test: prove unrelated project isolation

tests/fixtures/awesome-ski-game/.docforge/project.toml

@@ -0,0 +1,54 @@
+schema_version = 1
+project_id = "awesome-ski-game"
+title = "Awesome Ski Game"
+adapter = "generic"
+
+[sources]
+content_roots = ["handbook"]
+authority_files = ["DOCUMENTATION_POLICY.md"]
+
+[derived]
+cache_root = ".docforge/cache"
+index = ".docforge/cache/index.sqlite3"
+
+[changesets]
+root = ".docforge/changesets"
+
+[[changesets.writers]]
+id = "ski-editor"
+families = ["proof", "riding", "safety", "session", "trail"]
+operations = ["create", "update", "move", "delete"]
+
+[render]
+template_root = "site/templates"
+preview_root = ".docforge/previews"
+
+[[render.views]]
+id = "field-guide"
+renderer = "generic_html"
+template = "field-guide.html"
+output = ".docforge/rendered/field-guide.html"
+title = "Awesome Ski Game Field Guide"
+families = ["proof", "riding", "safety", "session", "trail"]
+
+[graph]
+allowed_relations = ["depends_on", "informs", "proves", "relates_to"]
+
+[limits]
+max_source_bytes = 100000
+max_nodes = 100
+max_query_chars = 200
+max_results = 20
+max_traversal_depth = 4
+max_context_tokens = 2000
+max_changesets = 20
+max_changeset_operations = 20
+max_changeset_bytes = 100000
+
+[[profiles]]
+id = "ride-day"
+families = ["proof", "riding", "safety", "session", "trail"]
+statuses = ["active", "current", "open", "ready", "verified"]
+required_nodes = ["session.first-descent"]
+token_budget = 900
+dependency_depth = 3