manager: Use Type/ labels instead of ty/ and don't force types

Allow arbitrary element types via the Type/# labels.

techtree-manager/src/collect.rs

@@ -88,7 +88,7 @@ fn element_from_issue(issue: &forgejo_api::structs::Issue) -> anyhow::Result<cra
         .context("Issue does not have any labels")?
         .iter()
         .filter_map(|l| l.name.as_deref())
-        .filter(|l| l.starts_with("ty/"))
+        .filter(|l| l.starts_with("Type/"))
         .collect();
 
     if ty_labels.len() == 0 {
@@ -98,12 +98,12 @@ fn element_from_issue(issue: &forgejo_api::structs::Issue) -> anyhow::Result<cra
         anyhow::bail!("Issue #{issue_number} has more than one type label!");
     }
 
-    let ty = match *ty_labels.first().unwrap() {
-        "ty/equipment" => crate::tree::ElementType::Equipment,
-        "ty/process" => crate::tree::ElementType::Process,
-        "ty/knowledge" => crate::tree::ElementType::Knowledge,
-        t => anyhow::bail!("Unknown element type for issue #{issue_number}: {t:?}"),
-    };
+    let ty = ty_labels
+        .first()
+        .unwrap()
+        .strip_prefix("Type/")
+        .unwrap()
+        .to_owned();
 
     let status = match issue.state.context("Missing issue state")? {
         forgejo_api::structs::StateType::Open => {

techtree-manager/src/tree.rs

@@ -10,7 +10,7 @@ pub struct Element {
     /// Description of this element
     pub description: String,
     /// Type of this element
-    pub ty: ElementType,
+    pub ty: String,
     /// Completion status of this element.
     pub status: ElementStatus,
 }
@@ -54,7 +54,9 @@ impl Element {
             status,
         } = self;
 
-        let label = format!(r##"<a href='/rahix/techtree-poc/issues/{issue_number}' target='_blank'>#{issue_number}</a> | {status}\n<i>{ty}</i>\n<b>{description}</b>"##);
+        let label = format!(
+            r##"<a href='/rahix/techtree-poc/issues/{issue_number}' target='_blank'>#{issue_number}</a> | {status}\n<i>{ty}</i>\n<b>{description}</b>"##
+        );
 
         let class = match (role, status) {
             (Some(SubtreeElementRole::ElementOfInterest), _) => "eoi",
@@ -82,23 +84,6 @@ fn mermaid_classes() -> String {
     .to_owned()
 }
 
-#[derive(Debug, Clone, Copy, Hash, PartialEq, Eq, serde::Serialize)]
-pub enum ElementType {
-    Equipment,
-    Process,
-    Knowledge,
-}
-
-impl std::fmt::Display for ElementType {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.write_str(match self {
-            ElementType::Equipment => "Equipment",
-            ElementType::Process => "Process",
-            ElementType::Knowledge => "Knowledge",
-        })
-    }
-}
-
 #[derive(Debug, Clone, Copy, Hash, PartialEq, Eq, serde::Serialize)]
 pub enum ElementStatus {
     Missing,