Let domain terms and protocol acronyms through Vale

.vale.ini

@@ -45,6 +45,29 @@ Microsoft.Contractions = NO
 Microsoft.SentenceLength = NO
 Microsoft.Passive = NO
 
+# Microsoft.HeadingAcronyms (default: warning) flags any heading containing
+# an acronym longer than 3 letters, on the theory that headings should be
+# spelled out for accessibility. In x402r docs almost every reference page
+# headlines a protocol acronym (ERC-3009, EIP-712, EIP-6492, BUSL-1.1,
+# JSON-RPC, CDP, DAO). Spelling them out (e.g. "Electronic Resource Cluster
+# 3009") is wrong — these names are the canonical identifiers for the
+# standards. The rule has no allowlist mechanism, so disable wholesale.
+Microsoft.HeadingAcronyms = NO
+
+# Microsoft.Terms (default: warning) enforces Microsoft Writing Style Guide
+# terminology swaps, e.g. "agent" → "personal digital assistant",
+# "blacklist" → "block list". The "agent" mapping is wrong for x402r:
+# ERC-8004 defines on-chain "agents" as autonomous protocol actors, and
+# the same word is used across the crypto/AI-agents ecosystem. No useful
+# swaps remain that aren't covered by other style rules. Disabled.
+Microsoft.Terms = NO
+
+# proselint.Typography (default: warning) suggests replacing `x` with the
+# `×` (Unicode multiplication sign) symbol. Every hex address literal in
+# the docs (`0x0000...`, `0x833589f...`) triggers this — the rule has no
+# concept of code/identifier context. Adversarial in a Web3 codebase.
+proselint.Typography = NO
+
 # Vale.Terms reads the same accept.txt as Vale.Spelling but treats each entry
 # as the canonical case form. That fires false positives whenever a vocab
 # entry collides with a code identifier (e.g. PaymentInfo type vs paymentInfo

styles/config/vocabularies/x402r/accept.txt

@@ -52,6 +52,86 @@ SDKs?
 [Pp]roxying
 [Pp]roxy
 
+# --- Contract interfaces ---
+# Solidity interface names referenced across the contracts docs.
+IHook
+ICondition
+IRecorder
+IPaymentOperator
+
+# --- Protocol concepts ---
+# Domain vocabulary that appears in prose, not just code.
+authCapture
+captureAuthorizer
+[Cc]apturable
+[Cc]ombinators?
+[Ee]scrowed
+[Pp]ermissionless
+[Pp]luggable
+[Cc]omposability
+[Mm]icropayments?
+[Gg]asless
+[Tt]erminalize
+[Rr]eentrancy
+[Rr]efundability
+[Tt]imelock
+[Mm]ultisig
+[Mm]empool
+[Cc]alldata
+
+# --- SDK identifiers ---
+# CamelCase identifiers that appear inline without code formatting.
+operatorConfig
+maxAmount
+responseBody
+paymentPayload
+newCount
+existingCount
+escrowPeriod
+txHashes
+codehashes?
+
+# --- Tooling and runtime ---
+npm
+npx
+pnpm
+bunx
+dlx
+mkdir
+tsx
+dotenv
+stdout
+stderr
+[Bb]oolean
+[Nn]amespace
+[Tt]estnet
+[Dd]evnet
+[Mm]intlify
+[Ss]ubgraph
+gwei
+txns?
+const
+
+# --- Standards and acronyms ---
+APIs?
+ABIs?
+UIs?
+EVMs?
+dApps?
+CIDs?
+
+# --- Ecosystem ---
+# Third-party projects/orgs referenced in the docs.
+Uniswap
+[Cc]oinbase
+[Ff]ireblocks
+[Ff]lashbots
+[Ss]olana
+Solady
+Spearbit
+Ownable
+Aave
+
 # --- Chain names ---
 # Source of truth: `x402rChains` in
 # `x402r-sdk/packages/core/src/config/index.ts`. Only chains with deployed