Wizard de onboarding, credential store e orçamento de contexto por provider

Cargo.toml

@@ -10,6 +10,7 @@ repository = "https://github.com/Dione-b/procyon"
 readme = "README.md"
 keywords = ["stellar", "soroban", "tui", "agent", "smart-contracts"]
 categories = ["command-line-utilities", "development-tools"]
+exclude = [".github/", ".env.example", ".gitignore"]
 
 [dependencies]
 # UI e terminal

README.md

@@ -43,7 +43,7 @@ account keys and contract interfaces, and Node/`npx` for the [Caatinga](#caating
 ## Status
 
 Early. The core loop works — streaming, tool calling, workspace confinement, context compaction,
-MCP, session persistence, twelve providers — with 369 tests and CI. What to expect:
+MCP, session persistence, twelve providers — with 389 tests and CI. What to expect:
 
 - **No per-operation approval.** File writes are confined to the workspace but not individually
   confirmed. Mainnet is a switch you set once, not a prompt. See [Safety](#safety).
@@ -227,7 +227,7 @@ to compact rather than corrupt the transcript.
 ## Development
 
 ```bash
-cargo test                 # 369 tests, no network, no toolchain
+cargo test                 # 389 tests, no network, no toolchain
 cargo test -- --ignored    # 8 more, needing network or an installed toolchain
 cargo clippy --all-targets -- -D warnings
 cargo fmt --all --check

src/agent/subagent.rs

@@ -80,7 +80,7 @@ pub async fn run_subagent(
     let max_output = subagent_config.max_tokens.unwrap_or(config.max_tokens) as usize;
     let envelope = crate::budget::price_envelope(Some(&subagent_config.system_prompt), &tool_defs);
     let ceiling = crate::budget::threshold_tokens(crate::budget::usable_window(
-        crate::budget::context_window(model),
+        crate::budget::context_window(config.provider, model),
         max_output,
     ));
 

src/anthropic/stream.rs

@@ -110,7 +110,11 @@ impl EventSink for StreamState<'_> {
                 Delta::TextDelta { text } => {
                     // A delta for a block that was never opened still belongs somewhere: dropping
                     // it would lose text the user has already been shown.
-                    match self.blocks.entry(index).or_insert_with(|| Partial::Text(String::new())) {
+                    match self
+                        .blocks
+                        .entry(index)
+                        .or_insert_with(|| Partial::Text(String::new()))
+                    {
                         Partial::Text(buffer) => buffer.push_str(&text),
                         // Text arriving on a tool block is not something this format produces;
                         // appending it to the argument string would corrupt the call.