docs: sync specification and templating guide with v1.2.0 features

Author: Corey B

docs/TEMPLATING_GUIDE.md

@@ -23,7 +23,9 @@ Every `.fdd` file utilizes a Declarative Shadow Root explicitly bound to your cr
 
 ### 1.1 Property Binding
 Your HTML will automatically evaluate against the `#fdd-data` and `#user-notes` JSON variables. Simply utilize Handlebar mustache syntax:
-`<h1>Welcome to {{workspaceTitle}}</h1>`
+`<h1>Welcome to {{workspace.title}}</h1>`
+
+OpenFDD supports **dot-notation** for nested properties (e.g., `{{party1.name}}`).
 
 ---
 
@@ -80,7 +82,7 @@ You can inject CSS Grid layouts effortlessly across massive datasets natively us
   {{#each transactions}}
   <div class="card">
     <h3>Data Key: {{@index}}</h3>
-    <p>Vendor: {{vendorName}}</p>
+    <p>Vendor: {{vendor.legalName}}</p>
     <p>Amount: ${{amount}}</p>
   </div>
   {{/each}}

spec/SPEC.md

@@ -44,8 +44,8 @@ To allow for "Protected Data" alongside "Mutable Notes," FDD enforces a layered
 ### 3.1 Issuer Identity (did:web)
 Every `.fdd` document identifies its issuer using the `did:web` DID method. The issuer hosts a public key at a well-known URL, and any viewer can automatically resolve it to verify the document's authenticity.
 
-- **Issuer URI format:** `did:web:yourdomain.com`
-- **Public key endpoint:** `https://yourdomain.com/.well-known/did.json`
+- **Issuer URI format:** `did:web:yourdomain.com` or `did:web:yourdomain.com:path`
+- **Public key endpoint:** `https://yourdomain.com/.well-known/did.json` (for domain DIDs) or `https://yourdomain.com/path/did.json` (for path DIDs).
 
 ### 3.2 Generating an Identity (One-Time Setup)
 
@@ -120,8 +120,8 @@ To allow developers to build complex, reactive applications without violating th
 The `<template>` is evaluated using Mustache-syntax against the merged `#fdd-data` and `#user-notes` dictionaries.
 
 ```html
-<!-- Property binding -->
-<h1>{{accountBalance}}</h1>
+<!-- Property binding (supports dot notation for nested objects) -->
+<h1>{{account.holderName}}</h1>
 
 <!-- Array iteration -->
 {{#each contacts}}