diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index e8ef0f9..365142c 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -65,8 +65,8 @@ cargo clippy -- -D warnings
 
 ### Pull Requests
 
-- Fork the repository and create a feature branch from `develop`
-- **Rebase your branch** to the top of `develop` before submitting PR
+- Fork the repository and create a short-lived feature branch from `main` (trunk-based development)
+- **Rebase your branch** to the top of `main` before submitting PR
 - Use **semantic commit messages** (e.g., `feat:`, `fix:`, `docs:`, `refactor:`)
 - Add tests for new functionality
 - **Ensure all CI checks pass** before requesting review
diff --git a/.github/workflows/ci-develop.yml b/.github/workflows/ci.yml
similarity index 93%
rename from .github/workflows/ci-develop.yml
rename to .github/workflows/ci.yml
index 0dcef3c..578d35f 100644
--- a/.github/workflows/ci-develop.yml
+++ b/.github/workflows/ci.yml
@@ -1,10 +1,10 @@
-name: CI (develop)
+name: CI
 
 on:
   pull_request:
-    branches: [develop]
+    branches: [main]
   push:
-    branches: [develop]
+    branches: [main]
 
 jobs:
   ci:
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index f224106..e37f224 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -2,9 +2,9 @@ name: Coverage (llvm-cov → Codecov)
 
 on:
   pull_request:
-    branches: [develop]
+    branches: [main]
   push:
-    branches: [develop, main]
+    branches: [main]
   workflow_dispatch:
 
 jobs:
diff --git a/README.md b/README.md
index 7739796..eaad5df 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,8 @@
 [![Dev Docs](https://docs.rs/fugue-ppl/badge.svg)](https://docs.rs/fugue-ppl)
 [![User Docs](https://img.shields.io/badge/guides-fugue.run-blue)](https://fugue.run)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
-[![CI](https://github.com/alexnodeland/fugue/actions/workflows/ci-develop.yml/badge.svg)](https://github.com/alexnodeland/fugue/actions/workflows/ci-develop.yml)
-[![codecov](https://codecov.io/gh/alexnodeland/fugue/branch/develop/graph/badge.svg?token=BDJ5OB6GOB)](https://codecov.io/gh/alexnodeland/fugue)
+[![CI](https://github.com/alexnodeland/fugue/actions/workflows/ci.yml/badge.svg)](https://github.com/alexnodeland/fugue/actions/workflows/ci.yml)
+[![codecov](https://codecov.io/gh/alexnodeland/fugue/branch/main/graph/badge.svg?token=BDJ5OB6GOB)](https://codecov.io/gh/alexnodeland/fugue)
 [![Downloads](https://img.shields.io/crates/d/fugue-ppl?logo=rust)](https://crates.io/crates/fugue-ppl)
 [![Zotero](https://img.shields.io/badge/Zotero-Fugue-red?style=flat-square&logo=zotero&logoColor=CC2936)](https://www.zotero.org/groups/6138134/fugue/library)
 [![Discord](https://img.shields.io/discord/1412802057437712426?logo=discord&label=discord)](https://discord.gg/QAcF7Nwr)
diff --git a/docs/src/home.md b/docs/src/home.md
index b823aa5..3b49154 100644
--- a/docs/src/home.md
+++ b/docs/src/home.md
@@ -13,8 +13,8 @@
 [![Dev Docs](https://docs.rs/fugue-ppl/badge.svg)](https://docs.rs/fugue-ppl)
 [![User Docs](https://img.shields.io/badge/guides-fugue.run-blue)](https://fugue.run)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
-[![CI](https://github.com/alexnodeland/fugue/actions/workflows/ci-develop.yml/badge.svg)](https://github.com/alexnodeland/fugue/actions/workflows/ci-develop.yml)
-[![codecov](https://codecov.io/gh/alexnodeland/fugue/branch/develop/graph/badge.svg?token=BDJ5OB6GOB)](https://codecov.io/gh/alexnodeland/fugue)
+[![CI](https://github.com/alexnodeland/fugue/actions/workflows/ci.yml/badge.svg)](https://github.com/alexnodeland/fugue/actions/workflows/ci.yml)
+[![codecov](https://codecov.io/gh/alexnodeland/fugue/branch/main/graph/badge.svg?token=BDJ5OB6GOB)](https://codecov.io/gh/alexnodeland/fugue)
 [![Downloads](https://img.shields.io/crates/d/fugue-ppl?logo=rust)](https://crates.io/crates/fugue-ppl)
 [![Zotero](https://img.shields.io/badge/Zotero-Fugue-red?style=flat-square&logo=zotero&logoColor=CC2936)](https://www.zotero.org/groups/6138134/fugue/library)
 [![Discord](https://img.shields.io/discord/1412802057437712426?logo=discord&label=discord)](https://discord.gg/QAcF7Nwr)
diff --git a/src/inference/abc.rs b/src/inference/abc.rs
index 35d2ad1..2de7973 100644
--- a/src/inference/abc.rs
+++ b/src/inference/abc.rs
@@ -197,7 +197,7 @@ impl SummaryStatsDistance {
 
         let mut sorted = data.to_vec();
         sorted.sort_by(|a, b| a.partial_cmp(b).unwrap());
-        let median = if sorted.len() % 2 == 0 {
+        let median = if sorted.len().is_multiple_of(2) {
             (sorted[sorted.len() / 2 - 1] + sorted[sorted.len() / 2]) / 2.0
         } else {
             sorted[sorted.len() / 2]