fix: rename seed files and IDs to match cleaned titles

All 100 seed YAML files now have:
- Filenames that match their id field
- IDs that are slugs of their titles
- No cultural identifiers in titles or IDs

70 files renamed. e.g. quaker-meeting-for-worship.yaml -> meeting-for-worship.yaml,
moroccan-jmaa-village.yaml -> jmaa-village-assembly.yaml,
japanese-hansei.yaml -> hansei-reflection.yaml

seeds/nvc-observation-step.yaml

@@ -0,0 +1,32 @@
+id: nvc-observation-step
+title: NVC Observation Step
+description: >-
+  The first step of Marshall Rosenberg's Nonviolent Communication — stating
+  an observation free of evaluation, blame, or interpretation. Rooted in
+  Rosenberg's work in mediation and peace education.
+source: Center for Nonviolent Communication
+source_url: https://www.cnvc.org/
+tags: [nvc, communication, conflict, listening]
+forked_from: null
+image: null
+steps:
+  - headline: Identify the stimulus
+    description: >-
+      Before speaking, the person identifies the specific thing they observed
+      — what they saw or heard, separate from any judgement about it.
+  - headline: State without evaluation
+    description: >-
+      They articulate the observation as a factual statement: "When I saw the
+      dishes left on the table after dinner..." rather than "When you were
+      inconsiderate..."
+  - headline: Invite confirmation
+    description: >-
+      The speaker can invite the other person's view of the same observation,
+      allowing shared ground before moving to feelings and needs.
+outcome: >-
+  The conversation begins from a shared, non-judgemental description rather
+  than from accusation, reducing defensiveness.
+practice: >-
+  Practice distinguishing observation from evaluation — "you were late" is
+  often an evaluation. "We agreed to meet at seven; you arrived at seven
+  twenty" is an observation.