docs: strengthen collaboration governance and AGENTS engineering protocol (#263)

* docs: harden collaboration policy and review automation

* ci(docs): remove unsupported lychee --exclude-mail flag

* docs(governance): reduce automation side-effects and tighten risk controls

* docs(governance): add backlog pruning and supersede protocol

* docs(agents): codify engineering principles and risk-tier workflow

* docs(readme): add centered star history section at bottom

* docs(agents): enforce privacy-safe and neutral test wording

* docs(governance): enforce privacy-safe and neutral collaboration checks

* fix(ci): satisfy rustfmt and discord schema test fields

* docs(governance): require ZeroClaw-native identity wording

* docs(agents): add ZeroClaw identity-safe naming palette

* docs(governance): codify code naming and architecture contracts

* docs(contributing): add naming and architecture good/bad examples

* docs(pr): reduce checkbox TODOs and shift to label-first metadata

* docs(pr): remove duplicate collaboration track field

* ci(labeler): auto-derive module labels and expand provider hints

* ci(labeler): auto-apply trusted contributor on PRs and issues

* fix(ci): apply rustfmt updates from latest main

* ci(labels): flatten namespaces and add contributor tiers

* chore: drop stale rustfmt-only drift

* ci: scope Rust and docs checks by change set

* ci: exclude non-markdown docs from docs-quality targets

* ci: satisfy actionlint shellcheck output style

* ci(labels): auto-correct manual contributor tier edits

* ci(labeler): auto-correct risk label edits

* ci(labeler): auto-correct size label edits

---------

Co-authored-by: Chummy <183474434+chumyin@users.noreply.github.com>

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,19 +1,31 @@
 name: Feature Request
 description: Propose an improvement or new capability
 title: "[Feature]: "
+labels:
+  - enhancement
 body:
   - type: markdown
     attributes:
       value: |
         Thanks for sharing your idea.
         Please focus on user value, constraints, and rollout safety.
+        Do not include personal/sensitive data; use neutral project-scoped placeholders.
 
   - type: input
+    id: summary
+    attributes:
+      label: Summary
+      description: One-line statement of the requested capability.
+      placeholder: Add a provider-level retry budget override for long-running channels.
+    validations:
+      required: true
+
+  - type: textarea
     id: problem
     attributes:
       label: Problem statement
-      description: What user problem are you trying to solve?
-      placeholder: Teams need a way to ...
+      description: What user pain does this solve and why is current behavior insufficient?
+      placeholder: Teams operating in unstable networks cannot tune retries per provider...
     validations:
       required: true
 
@@ -21,8 +33,17 @@ body:
     id: proposal
     attributes:
       label: Proposed solution
-      description: Describe the preferred solution.
-      placeholder: Add a new subcommand / trait implementation ...
+      description: Describe preferred behavior and interfaces.
+      placeholder: Add `[provider.retry]` config and enforce bounds in config validation.
+    validations:
+      required: true
+
+  - type: textarea
+    id: non_goals
+    attributes:
+      label: Non-goals / out of scope
+      description: Clarify what should not be included in the first iteration.
+      placeholder: No UI changes, no cross-provider dynamic adaptation in v1.
     validations:
       required: true
 
@@ -31,16 +52,28 @@ body:
     attributes:
       label: Alternatives considered
       description: What alternatives did you evaluate?
-      placeholder: Keep current behavior, use external tool, etc.
+      placeholder: Keep current behavior, use wrapper scripts, etc.
     validations:
       required: false
 
+  - type: textarea
+    id: acceptance
+    attributes:
+      label: Acceptance criteria
+      description: What outcomes would make this request complete?
+      placeholder: |
+        - Config key is documented and validated
+        - Runtime path uses configured retry budget
+        - Regression tests cover fallback and invalid config
+    validations:
+      required: true
+
   - type: textarea
     id: architecture
     attributes:
       label: Architecture impact
       description: Which subsystem(s) are affected?
-      placeholder: providers/, channels/, memory/, runtime/, security/ ...
+      placeholder: providers/, channels/, memory/, runtime/, security/, docs/ ...
     validations:
       required: true
 
@@ -62,3 +95,13 @@ body:
         - Yes
     validations:
       required: true
+
+  - type: checkboxes
+    id: hygiene
+    attributes:
+      label: Data hygiene checks
+      options:
+        - label: I removed personal/sensitive data from examples, payloads, and logs.
+          required: true
+        - label: I used neutral, project-focused wording and placeholders.
+          required: true