diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..47a5343
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,29 @@
+root = true
+
+# Whitespace / EOL / indent per TUTTI i tipi — cross-editor, zero dipendenze.
+# Non tocca mai il CONTENUTO (quindi i placeholder {{...}} sono al sicuro qui).
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+# Markdown: preserva i "due spazi" di fine riga (hard break) → non trimmare.
+[*.md]
+trim_trailing_whitespace = false
+
+[*.{sh,bash}]
+indent_style = space
+indent_size = 2
+
+[*.{py,pyi}]
+indent_style = space
+indent_size = 4
+
+[*.{yml,yaml,json}]
+indent_style = space
+indent_size = 2
+
+[Makefile]
+indent_style = tab
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..30754d7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+# VS Code — only shared workspace settings
+.vscode/*
+!.vscode/settings.json
+!.vscode/extensions.json
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..36589d6
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,8 @@
+# Template engine — contengono i placeholder {{...}}: NON formattare mai.
+templates/
+
+# Contenuto di proprietà dell'agente / generato (di norma in repo separati,
+# elencato qui per sicurezza se apri un genoma nello stesso workspace).
+wiki/
+genomes/
+raw/
diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..2a0c0d2
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1,5 @@
+{
+  "printWidth": 100,
+  "tabWidth": 2,
+  "proseWrap": "preserve"
+}
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..c0c8b39
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,8 @@
+{
+  "recommendations": [
+    "esbenp.prettier-vscode",
+    "editorconfig.editorconfig",
+    "timonwong.shellcheck"
+  ],
+  "unwantedRecommendations": ["dbaeumer.vscode-eslint", "ms-vscode.vscode-typescript-next"]
+}
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..65b4337
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,18 @@
+{
+  "editor.formatOnSave": true,
+  "prettier.requireConfig": true,
+
+  "files.associations": {
+    "templates/**/*.md": "plaintext"
+  },
+
+  "[markdown]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  },
+  "[json]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  },
+  "[jsonc]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode"
+  }
+}
diff --git a/lib/scaffold.sh b/lib/scaffold.sh
index b9dc437..8c1e3a7 100644
--- a/lib/scaffold.sh
+++ b/lib/scaffold.sh
@@ -16,6 +16,12 @@ render_template() {
   local content
   content=$(<"$template_file")
 
+  # HARDENING: collapse any “spaced” placeholders from a formatter
+  #   { { KEY } }  ->  {{KEY}}   (KEY = UPPERCASE/underscore)
+  # Defense in depth: if Prettier or a copy-paste breaks the syntax again,
+  # the scaffold fixes itself. sed is a core utility (like tr/date already used here).
+  content=$(sed -E 's/\{[[:space:]]*\{[[:space:]]*([A-Z_]+)[[:space:]]*\}[[:space:]]*\}/{{\1}}/g' <<<"$content")
+
   # Defaults (:-) so master-repo templates render even when GENOME_* are unset
   # (scaffold_master runs before any genome; set -u would otherwise abort here).
   local genome_name_upper
diff --git a/templates/agents-genome.md b/templates/agents-genome.md
index 98c6075..9c12ba7 100644
--- a/templates/agents-genome.md
+++ b/templates/agents-genome.md
@@ -146,7 +146,7 @@ Required on every wiki page:
 ---
 title: "Strict String Title"
 type: source | entity | concept | query | conflict | private
-domain: { { GENOME_NAME } }
+domain: {{ GENOME_NAME }}
 tags: [lowercase, hyphen-separated]
 maturity: draft | stable | deprecated
 last_updated: YYYY-MM-DD
@@ -205,7 +205,7 @@ When new evidence contradicts an existing wiki claim:
 ---
 title: "Conflict: <concept>"
 type: conflict
-domain: { { GENOME_NAME } }
+domain: {{ GENOME_NAME }}
 maturity: draft
 last_updated: YYYY-MM-DD
 private: false
diff --git a/templates/wiki-index.md b/templates/wiki-index.md
index 4bae5d9..809aaaa 100644
--- a/templates/wiki-index.md
+++ b/templates/wiki-index.md
@@ -1,9 +1,9 @@
 ---
 title: "Index — {{GENOME_NAME}}"
 type: index
-domain: { { GENOME_NAME } }
+domain: {{ GENOME_NAME }}
 maturity: stable
-last_updated: { { DATE } }
+last_updated: {{ DATE }}
 private: false
 ---
 
diff --git a/templates/wiki-log.md b/templates/wiki-log.md
index 25d799c..6068ca9 100644
--- a/templates/wiki-log.md
+++ b/templates/wiki-log.md
@@ -1,9 +1,9 @@
 ---
 title: "Operations Log — {{GENOME_NAME}}"
 type: log
-domain: { { GENOME_NAME } }
+domain: {{ GENOME_NAME }}
 maturity: stable
-last_updated: { { DATE } }
+last_updated: {{ DATE }}
 private: false
 ---